Recent content by BuffaloSoulja

Sorry, for part C it is actually $2000 (108(8years)+150)/8 = 295.5 (108(12 years) + 150)/12 = 274.66 The 2nd system has a lower average yearly cost over it's lifetime Correct?

Homework Statement A security system costs $9/month in costs (fixed cost). If a new security system costs $1500 to purchase and last for 8 years: a)Determine the rational function that gives the annual cost of a security system as a function of the number of years you own the system. Using...

Homework Statement A scientist predicted that the population of fish in a lake could be modeled by the function f(t)= 40t/(t^2+1), where t is given in days. The function that actually models the fish population is g(t)=45t/(t^2+8t+7). Determine where g(t)>f(t). Homework Equations...

It is positive?

y=-(x-3)^5(x+1)^4 For this function currently i have: degree: 9 sign: negative ? quadrants: I, II and 4 Roots: x=3 and -1 y-intercept= 243 domain: x belongs to E range: y belongs to E INTERVALS of INCREASE : ? INTERVALS of DECREASE : ? End Behaviors: As x approaches -infinity, y...

Tan(x)=3 tan(x/2) solve where 0<x<2pi? sin3xcosx+cos3xsinx=1, where 0<x<2pi? tried a long time...