What is Range: Definition and 1000 Discussions

The Land Rover Range Rover (generally known simply as the Range Rover) is a 4x4 motor car produced by Land Rover, a marque and sub-brand of Jaguar Land Rover. The Range Rover line was launched in 1970 by British Leyland and is now in its fourth generation.
Additional models have been launched under the Range Rover name, including the Range Rover Sport, Range Rover Evoque, and Range Rover Velar.

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  1. L

    MHB Range and obliquous asymptotes

    \frac{1}{x}+x as i canot see it the function is x +1/x Find the range and the obliquous asymptote Ok it looks to be easy but the most of books say that I must see the graph but teacher asks me in a math way How can I calculate it?? a book tells me that I must solving for x about athe...
  2. K

    Range of one standard deviation from mean

    my question is on part ii, my range ( as shown in the photo), is between 4.52 and 16.28, so my working would be (6+10+4+4)/(6+10+4+4+1) X100% ... the answer given is 72% which is differnt form my answer? which part of my working is wrong ?
  3. N

    MHB Probability that a person's birthdate is in the given range

    If a person's birthday is in January, what are the odds that it is between the 20th and the 29th, inconclusively? A. 10/31 B. 8/21 C. 21/31 H. 10/21 Thanks(Sun)
  4. P

    Bremsstrahlung wavelength range

    i need to calculate what percentage of the energy put into a X-ray tube will be between the minimum wavelength and the longest wavelength suitable for it's application (as to calculate how efficiently it does it's job) with only the input voltage (unless the anode material is important) the...
  5. N

    Max temp range allowed that's still in range of tolerance?

    Homework Statement A 24" diameter titanium jet engine disk is machined to tolerance or +/- 0.002". Customer will accept +/- 0.003". The part is machined and measured in you plant at 80F. What is the max temp range for the customer to measure the part which you should specify in the contract...
  6. M

    MHB Solve Statistics Problem: Multiplication Factor for 90%+ R-Square

    In the sample excel file(extract from .zip file) I have explained the calculation of contribution and R-Square. I need to solve 2 problems by adjusting the Multiplication factor or Coeff. I need to make sure actual contribution of current year and Previous year will be within expected Current...
  7. Z

    Is it possible to have a plus/minus function that has range of roots?

    Okay, So I have attached a screenshot of my two graphs of a particle shot from a cannon. The blue one has had an air resistance constant of 0.1 applied to it and, as you can see, has 'shrunk'. For the particular question I am investigating a range of answers are plausible ( ie the x-intercepts...
  8. J

    Finding the range of this function of 2 variables:

    f(x,y) = ln(9 - x2 - y2) Domain I got: (x, y) in R2 such that x2 + y2 < 9 How do I find the range from the domain? Wouldn't it be all positive numbers of ln such that it is less than ln(9)? Answer says less than or equal to 9, I don't get why. Any input is appreciated!
  9. U

    Finding the Range of f(x) on [0,1]: A Challenging Calculus Problem

    Homework Statement Let f:[0,1]→R be a function. Suppose the function f is twice differentiable, f(0)=f(1)=0 and satisfies f"(x)-2f'(x)+f(x)≥e^x, x:[0,1]. Then find range of f(x). The Attempt at a Solution Strictly speaking, this has been one of the toughest problems I've ever encountered...
  10. Primroses

    How to Determine the Range of Strong and Weak Interaction

    How can we determine the ranges of strong interactions and weak interactions? Can calculations of relevant scattering cross sections do this? Thanks.
  11. T

    Qualitative Explanation of Range

    Homework Statement Explain qualitatively how it is possible for the projectiles to have the same range despite having different launch angles Homework Equations x = voxt The Attempt at a Solution A projectile's range is determined by its x component of the initial velocity and the...
  12. iamjon.smith

    Comp Sci Getting VALID range of Excel Cells in javascript

    Mod note: The OP has found an answer to his question. I am validating a text field in javascript in EXTJS 4 framework, based on the selected value of a text box: else if (record.get("type") === "CELL_VALUE" && record.get("apply_before") === true) { Ext.Msg.alert("Field Validation"...
  13. N

    Explanation as regards range and domains

    Homework Statement a) f(x,y)=√ [1−(x2+y2)] b) f(x,y)=2cos(4x+y2) The Attempt at a Solution a) The domain is such that x2 + y2 must not be greater than 1 In other words, this is expressed (as stated as an option on the answer sheet) as "xy-plane without the line x=y" Why is this...
  14. L

    MHB Drawing Arrow Diagrams & Explaining Domain, Codomain & Range

    Hi Folks, Have a task , but no idea how to resolve. Will appreciate any help. Consider the function f: {5,6,7} →{A,B,C} given by f(5)=A, f(6)=C, and f(7)=B Draw its arrow diagram and state its domain, codomain and range. Is it (i) onto and (ii) one-to-one ? Explain. Does it have...
  15. W

    Basis of the range of a Linear Transformation

    Mod note: fixed an exponent (% --> 5) on the transformation definition. Homework Statement A is a (4x5)-matrix over R, and L_A:R^5 --> R^4 is a linear transformation defined by L_a(x)=Ax. Find the basis for the range of L_A. Homework Equations The Attempt at a Solution ##A =...
  16. Albert1

    MHB Find the Range of $n$ for $\triangle ABC$

    $\triangle ABC ,\,\, given :$ (1) sum of its two angles=$n^o$ (2) if $\alpha$ is the largest angle and $\gamma $ is the smallest angle ,we have :$\alpha - \gamma =24^o$ please find the range of $n$
  17. A

    Amplifing variable 0-5 v dc voltage to 0-10 voltge range

    i am middle of engg project . to make an automatic irrigation system ,using plc , main problem is humidity sensor which i am using gives out put of 0-5 volt but plc require more output for better results,...can anyone suggest a voltage amplifier or any circuit using op amp
  18. W

    Finding the range of a matrix

    Homework Statement ##\begin{bmatrix}1 & 1 & -1 & -1 \\1 & 2 & 0 & 1 \\-1 & 1 & 3 & 5 \\2 & 3 & -1 & 0\end{bmatrix}## a) Determine the range of L_A Homework Equations None The Attempt at a Solution The row-reduced matrix is as follows ##\begin{bmatrix}1 & 0 & -2 & -3 \\0 & 1 & 1 & 2 \\0 & 0 &...
  19. W

    Gravitation - gravitational attraction due to a nearby mountain range

    Homework Statement The gravitational attraction due to a nearby mountain range might be expected to cause a plumb bob to hang at an angle slightly different from the vertical. If a mountain range could be represented by an infinite half-cylinder of radius a and density ρ lying on a flat plane...
  20. C

    Projectile Motion - Range of projectile

    Homework Statement My problem consists of two parts, the first being how far from the top of a cliff will a projectile (fired from a cannon) land with a velocity of 120 ms^-1, fired horizontally from cliff height of 150m. The second part is where I am struggling, the cannon is now aimed 45°...
  21. A

    Projectile Motion- What angle does range equal max height?

    Homework Statement At what projection angle will the range of a projectile equal its maximum height? Homework Equations Big 5 vf2= vi2 + 2ad The Attempt at a Solution So I attempted to solve this question by randomly subbing in equations into each other. If i draw out a diagram to solve...
  22. X

    Calc 3 Range of a function (set of points)

    Homework Statement See attached image Homework Equations they are provided in the image. I see the domain is used The Attempt at a Solution I can't figure out how they went from step one to step 2. where does the -81 come from and the 9 multiplied to the function in the middle. I...
  23. K

    Finding Projectile Motion range at an angle?

    The original problem has very confusing wording without the picture so I reworded it for simplicity: A toy cannon is placed on a ramp on a hill, pointing up the hill. With respect to the x-axis the hill has a slope of angle A and the ramp has a slope of angle B. If the cannonball has a muzzle...
  24. Ascendant78

    Solving for the range of a multivariable function.

    I am currently taking Calc III as an online course (yes, big mistake). I am at a section where we are evaluating the domains and ranges for functions with both x and y variables in it. As far as finding domains, no problem. However, the textbook doesn't explain how to solve for ranges...
  25. rakeru

    Does it matter if L + epsilon is not in the range of the function?

    Homework Statement Use a graphing calculator to find \delta when 0<|x - \pi/2|<\delta and |sin(x) - 1|<0.2 Homework Equations I don't think there are any other than the format of the previous information: 0<|x-a|<\delta and |f(x)-L|<\epsilon The Attempt at a Solution Okay...
  26. D

    Calculation of range for signal with damping

    Homework Statement Given the transmitting power of 0.1 mW and received noise of -100 dBm. Consider a signal which needs a SNR of 30 dB. Calculate the range for a signal of 0.5 MHz given that the damping for the signal is calculated as: L = 10 +8.0*f [dB/km] where f is the...
  27. L

    Range of uniform convergence for a series

    Homework Statement Find the range of uniform convergence for the following series η(x) = ∑(-1)n-1/nx ζ(x) = ∑1/nx with n ranging from n=1 to n=∞ for both Homework Equations To be honest I'm stumped with where to begin altogether. In my text, I'm given the criteria for uniform...
  28. N

    Show that the horizontal range is 4h/tan(theta)

    Homework Statement A projectile launched at angle Θ to the horizontal reaches maximum height h. Show that its horizontal range is 4h/ tan Θ.The Attempt at a Solution tapex = vi sin Θ/g tfull trajectory = 2vi sin Θ/g h(tapex) = h = vi^2 sin^2 Θ/2g x(tfull trajectory) = x = \frac{vi^2 sin (2Θ)}{g}
  29. N

    Horizontal range of 2 different angles

    Homework Statement Show that, for a given initial speed, te horizontal range of a projectile is the same for launch angles 45° +\alpha and 45° - \alpha The Attempt at a Solution x1 = vi cos (45° + \alpha) x2 = vi cos (45° - \alpha) tcomplete trajectory = 2 vi...
  30. Q

    Range of a Rocket Launched from Height h

    hello guys could anybody tell me the method of finding the range of a rocket launched from height h, the rocket of course is under three forces weight,drag and thrust
  31. D

    Likelihood of pairs in a range?

    Running a computer script (included below) I was testing to see how long it would take to match two numbers when selected at random from within a range. To my surprise the percentage of possibilities explored before finding a correct answer decreased as i raised the range. Is this correct? It...
  32. N

    Why is magnitude g instead of vector g used in range projectile

    It is not being explained anywhere in my book nor on the internet. Can someone explain to me why?
  33. N

    Max Allowable Deviation for Projectile Range of 50km

    Homework Statement After a short engine firiing, an atmosphere-probing rocket reaches 4.6km/s. If the rocket must land within 50km of its launc site, what's the max allowable deviation from a vertical trajectory. Homework Equations none The Attempt at a Solution Given by the...
  34. S

    How can I plot data points and a function with different x ranges in gnuplot?

    Hello, How can i plot some data points in gnuplot and in the same plot a function, for example f(x)=0.2*x**(-0.6) plot [0:6] "data.dat" with errorbars, [0:2] f(x)
  35. NTW

    Endurance & maximum range speeds

    Hello all... I know that it can be derived, from first principles, that maximum endurance and maximum range speeds are related by the factor 3^0,25. But I haven't been able to find a derivation. Could anyone here help...? Thanks in advance...
  36. C

    Find the initial speed of jump using range and max height

    Homework Statement A dog jumps a distance, L, and a maximum height, H, where the dog only has horizontal velocity when it travels through the hoop. What is the speed of your dog when he leaves the ground? What is the speed of your dog when he goes through the loop? Both answers should NOT...
  37. M

    Codomain & Range: Difference & Examples

    ≤What's the differnece between codomain and range? Is the range a subset of the codomain? And the codomain basically contains all possible values or elements the set R (Range) can contain? For example: Let f(x) = x + 1 be a function from the set of real numbers (0≤x≤4) to the set of...
  38. B

    The range of Klein-Nishina formula

    I found a nice applet: http://www.kcvs.ca/site/projects/physics.html to study that formula, but it has a limited range. Do you know of a better app or of a site where I can get results of real experiments?, can someone tell me: - does it work at all frequencies, or does it break down somewhere...
  39. M

    Calculating Young's Modulus from a range of values

    Homework Statement I don't need to give any information, I just need to know the best way to calculate E from a range of values for load and displacement given the length and diameter. I've calculate it for a few values and the value appears to decrease so I'm not sure where to take the value...
  40. E

    When do we use the average range instead of the average moving range?

    Homework Statement Homework Equations =̿+2̅, =̿−2 =4̅, =3̅ The Attempt at a Solution From what I gather, we can use the sample range, which is the max minus the min, or the average moving range which is the sum of the preceding value minus the current value divided by the...
  41. N

    Analytic expression to find the range of non-negative numbers in array

    Hello, I have an array of length M. Some of the indices are non-negative. I need to derive a function/analytic expression (preferably linear or convex) that finds the span of indices for which the indices are non-negative. Example: Let p denote the desired vector. Let, p = [0 0 0.3 2.6...
  42. S

    Antoine equation and temperature range of flammability

    Homework Statement A number of accidents have occurred on site as a result if the discharge of static electricity generated by the flow of fluids. You have been asked to review enhanced safety during an acetone drum filling operation. Your engineering manager has asked you to gather some...
  43. B

    Solving Trig Equations In A Given Range

    Homework Statement Solve cos(3θ) = 0.85 in the range 0 ≤ θ ≤ 360° Homework Equations The Attempt at a Solution cos(3θ) = 0.85 3θ = 31.79° θ = 10.6° (3 s.f) I have drawn my transformed cos curve, where the full wave completes after 120°, so there are 3 full cycles in my...
  44. A

    What is the Maximum Range of a Fired Shot from a Launcher?

    Homework Statement A launcher fires a ball that weighs 30kg straight up to a height of 300m. What is the maximum range of the ball could be fired at? Homework Equations V^2 = V^2-2(a)(d) R = ( V02 Sin2θ ) / gThe Attempt at a Solution To find the maximum range i know that it has to be...
  45. J

    Evaluating Metal's Effect on RF: Wi-Fi in the 2.4 GHz Range

    I am preparing a document for my co-workers re. metal & the effect that it has on rf (spec. Wi-Fi in the 2.4 GHz range of the spectrum). Could you please check for accuracy & edit as necessary? It is as follows: "Metal – metal can attenuate & reflect Wi-Fi. Placing an antenna in a metal box...
  46. M

    Dimensions of radiation detector and range of secondary particles

    Hi All, Just reading up on methods of neutron detection and something struck me. Generally these types of detectors are manufactured small enough so the the ranges of the charged particles (usually tritium and alpha) are smaller than the dimensions (so around 100microns or so). This means...
  47. 1

    How to find range and endurance

    Homework Statement The Predator UAV has the following characteristics: wingspan = 14.85 m, wing area = 11.45 m2 , maximum mass = 1020 kg, and fuel mass = 295 kg. Note the weights are given in kg. You should covert them to weight force W in N. The power plant is a Rotax four-cylinder...
  48. G

    Finding Max Range With 2 Angles

    Homework Statement Today my teacher asked me "What are the best 2 angles to use when wanting to get maximum horizontal distance while on an elevated surface of 50m." As in Dx. What would these 2 angles have to be for the projectile to go the furthest distance horizontally and what would the...
  49. D

    Calculate the range of S using Laplace Transform

    Homework Statement find the range of values for s: f(t)=e^(-t/2)u(t)Homework Equations The Attempt at a Solution what I did initially was to take the integral from 0 to infinity of e^(-st)e^(-t/2)u(t) dt this gave me 2/(2s+1) which when I sub in -.5 to find a divide by 0 or discontinuity then...
  50. C

    Why Are 0 and 4 Excluded from the Range in This Function?

    Homework Statement Please refer to the image attached. The first part, (i). Homework Equations None.The Attempt at a Solution My answer is 0 </= x </= 4, but the answer says 0<x<4. Why are 0 and 4 not included? Since the domain includes 6, then 0.5(6)+1 =4, 4 should be included right?
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