Free pre-calculus mathematics homework help from qualified mentors. Math courses prior to calculus homework. Please use the template when requesting help and show your work.
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Find operations with f(x) = x² - 16 and g(x) = √(x - 3), including domain
- fr33pl4gu3
- · Replies 6 ·
Non-functions and the vertical line test
- DecayProduct
- · Replies 4 ·
Height of semielliptical arch 25 feet from center
- xsn53
- · Replies 4 ·
Solve sqrt(ln(x)) = ln(sqrt(x))
- ahmadmz
- · Replies 6 ·
Law of total expectation for Poisson arrival process
- yevi
- · Replies 1 ·
Math 30 Pure June 2008 Diploma
- temaire
- · Replies 1 ·
What are the solutions for \theta in [0, 2\pi]?
- powerless
- · Replies 20 ·
Do you need both f(g(x))=x and g(f(x))=x to prove inverse functions?
- Spirochete
- · Replies 2 ·
Finding the Coefficient of Expansion for a General Term in a Polynomial
- Air
- · Replies 10 ·
Quadratic Functions, and Completing the Square
- H.M. Murdock
- · Replies 4 ·
How to find the equation of a parabola with only 3 pts.
- redretro
- · Replies 3 ·
Breaking a fraction down to a sum of fractions
- kylera
- · Replies 4 ·
Odds of Getting 2 Out of 3 Correct
- swerdna
- · Replies 5 ·
Is sin/(1+cos) = (1-cos)/sin Really True?
- DecayProduct
- · Replies 2 ·
Solving x=(1+c+a(1+c+ax/2))/2 for x
- koolmodee
- · Replies 14 ·
Calculate Natural Logarithm of 273/263
- Brunno
- · Replies 9 ·
Finding a cost formula to minimize with calculus
- Nauraushaun
- · Replies 20 ·
Rectangle incribed in an ellipse
- brizer
- · Replies 5 ·
Solving for Logb(16) with Logb(2) = 0.4307
- yoleven
- · Replies 8 ·
How to make commutative 2X2 matrices
- brooksofmaine
- · Replies 13 ·
How Do You Solve These Challenging Math Competition Problems?
- Kushal
- · Replies 5 ·
Why does cosine appear in the derivative of sine?
- Brunno
- · Replies 2 ·
Converting repeating decimal 0.8451̄5̄1̄ to fraction and solving nested logarithm
- Kushal
- · Replies 3 ·
What Are the Magnitudes and Direction Angles of the Vector R=2i + j + 3k?
- gearstrike
- · Replies 9 ·
What are the speeds of a Cessna and a Beechcraft in a given scenario?
- scjibran
- · Replies 6 ·
Solving Inequality: sqrt(x-1)+sqrt(x-3)+8>0
- yoleven
- · Replies 6 ·
First principles/induction proof
- forty
- · Replies 5 ·
Does the Inverse Function Matrix Always Have a Non-Zero Determinant?
- yeongil
- · Replies 3 ·
Identifying set elements, set operations, and factoring expressions
- jlmf_inc
- · Replies 6 ·
Dividing by sin(x) in inequalities and factoring cubic with imaginary roots
- epkid08
- · Replies 4 ·
Binomial Theorem For Quadratic Equation
- Air
- · Replies 1 ·
Maximum value of 2(a-x)(x+√(x²+b²)) for real x
- ritwik06
- · Replies 11 ·
How Can the Method of Differences Be Applied to Solve This Series Problem?
- crays
- · Replies 1 ·
Stem and leaf display statistics
- auzie
- · Replies 6 ·
How do I solve this algebra problem with unknown constant k?
- franky2727
- · Replies 4 ·
Finding x where log^18 - log^10 = 19
- joel ogundeji
- · Replies 1 ·
What is the Probability of Hitting the Target in a Two-Shooter Scenario?
- Physicsissuef
- · Replies 13 ·
Finding an equation fitting point values from 1 to -1
- mudderrunner
- · Replies 1 ·
Determining signs when rewriting trig functions in quadrants
- LordofDirT
- · Replies 3 ·
Radians/Trigonometric Equations
- JBD2
- · Replies 16 ·
How Do You Solve sinx(sin x + 1) = 0 for All Solutions?
- xCanx
- · Replies 1 ·
Solve Polynomial Division: Find K Given Remainder of 3
- HelloMotto
- · Replies 3 ·
Solving the Puzzle: Calculating a Gravel Border Around a Shed
- yoleven
- · Replies 3 ·
Factoring without trial and erorr?
- Spirochete
- · Replies 3 ·
What is a compatibility graph and how does it relate to traffic light phasing?
- zh3zh3
- · Replies 8 ·
Coin game: can Austin force a win or tie against Brooks?
- golfchic2006
- · Replies 12 ·
Finding Angle Between Lines Passing Through Points (-2,-1) and (4,1)
- cherrypie
- · Replies 3 ·
How do I solve an exponential equation with different bases?
- babacanoosh
- · Replies 7 ·
Solving lnx + ln(x+2) = ln3
- babacanoosh
- · Replies 9 ·
Coming out with clean values for arccos, arcsine and arctan
- caesius
- · Replies 3 ·
Is It Possible to Walk Through This House Using Each Door Exactly Once?
- zh3zh3
- · Replies 13 ·
Finding the rank of a projection of u onto v ?
- mohdhm
- · Replies 10 ·
Proving that the solution of Ax=0 is a vector space
- mohdhm
- · Replies 4 ·
Solve the fallowing by factoring and making appropriate sign charts.
- epkid08
- · Replies 4 ·
Angle in degrees btwn f1 and f2
- hatrk219
- · Replies 2 ·
Express this 2x2 matrix as a linear combo of thoes other 2x2 matricies
- mohdhm
- · Replies 3 ·
Triangular matricies and subspaces
- mohdhm
- · Replies 2 ·
How to Solve a Geometric Progression Problem with Challenging Terms
- crays
- · Replies 6 ·
Solving Inverse Plot 2log(y)=log2+log(x+1)
- hadi amiri 4
- · Replies 3 ·
What is the Locus of z When arg(z-1) and arg(z+1) are Both Equal to 3pi/4?
- rock.freak667
- · Replies 4 ·
Parentheses or brackets (US/UK terminology question)
- heth
- · Replies 4 ·
Solving cos x(2sin x + 1) = 0
- LordofDirT
- · Replies 3 ·
Max Magnitude of a,b,c in Quaratic Equation |ax^2+bx+c|<=1
- ritwik06
- · Replies 1 ·
Solve the Positive Integer N Puzzle: 6N = defabc
- furnis1
- · Replies 5 ·
Sum of roots, product of roots
- crays
- · Replies 1 ·
What is the formula for finding the common ratio in a geometric sequence?
- temaire
- · Replies 4 ·
Proving Trigonometric Identities: Attempt and Solution
- loisNominator
- · Replies 5 ·
Finding the Value of Cos(2θ) from an Infinite Geometric Sequence
- physicsnoob93
- · Replies 2 ·
Real Roots of the Quadratic Equation for all Alpha Values
- crays
- · Replies 23 ·
If x^y = 2 and x^t = 16 what does x^(y-t) equal
- benr2424
- · Replies 8 ·
Solving |x/2 + 3| > 3-x² and the link to |e^x/2 - 3| > 3-e^(2x)
- truewt
- · Replies 2 ·
Completing the Square Method for Solving Polynomial Equations
- crays
- · Replies 4 ·
Solving the Tricky Math Problem: Find sin2x
- sigma128
- · Replies 2 ·
Solving x^3 +5x -4 to Get Root 0.3274
- RMHAZARD
- · Replies 5 ·
How many lines can 5 dots create in geometry?
- Physicsissuef
- · Replies 9 ·
What is the Concept of Signed Distance in Relation to a Plane?
- Physicsissuef
- · Replies 13 ·
Calculating Perimeter and Area Sums in Infinite Isosceles Triangles
- Physicsissuef
- · Replies 27 ·
Can Every Number Be Expressed as a Sum of 1's and 2's in Fibonacci Ways?
- Moridin
- · Replies 1 ·
Minimum value of logarithmic equation
- ritwik06
- · Replies 8 ·
Rewriting Expression w/Log Laws: x^10*sqrt((y^19)/(z^7))
- 3.141592654
- · Replies 4 ·
Why does a 1-element set have 2¹ = 2 subsets, not 1?
- Moridin
- · Replies 10 ·
Is 0^√0 equal to √(0^0)?
- ritwik06
- · Replies 5 ·
Verify (1-sinx)/(1+sinx) = (secx-tanx)^2
- LordofDirT
- · Replies 2 ·
Deriving velocity from kinetic energy equation
- Qwer
- · Replies 3 ·
Are My Trigonometric Identity Solutions Correct?
- thakid87
- · Replies 3 ·
Finding Absolute Value of Complex Fractions
- Petkovsky
- · Replies 4 ·
Not all functions have Asymptotes, right?
- Sabellic
- · Replies 4 ·
Prove (n!)^2 < 2^(n^2) by induction
- Moridin
- · Replies 2 ·
Average speed over 20 miles
- ehrenfest
- · Replies 3 ·
Prove: Sum of (2n) Terms with Alternating Signs
- Moridin
- · Replies 4 ·
Why can't a = [sin C/(c sin A)] in the law of sines?
- thakid87
- · Replies 3 ·
Math Brainteaser: Probability of Longer Piece Length
- oceanflavored
- · Replies 3 ·
How many "C" does it take to balance one "A"?
- MarianKh
- · Replies 19 ·
Simplifying (sec(t) - cos(t))/sec(t) to sin²(t)
- 3.141592654
- · Replies 9 ·
How can I solve this equation involving two variables?
- Aladin
- · Replies 8 ·
Greatest value of the arg. of a complex number
- rock.freak667
- · Replies 8 ·
What is the domain and range of y = 1/(x-1)(x+2)?
- sinjan.j
- · Replies 4 ·
What are some strategies for solving logarithmic equations?
- Petkovsky
- · Replies 12 ·
Proof that \forall n \in \mathbb{N}: 3^{n} \geq n^{3}
- Moridin
- · Replies 1 ·