SOLUTION: Need help with the following composition of functions problem. When I worked this problem I came up with (a) -2 and (b) 12: 5. Given that f(x)=1-3x and h(x)= (5x^2)+4x , fin

Algebra ->  Functions -> SOLUTION: Need help with the following composition of functions problem. When I worked this problem I came up with (a) -2 and (b) 12: 5. Given that f(x)=1-3x and h(x)= (5x^2)+4x , fin      Log On


   

Question 34538: Need help with the following composition of functions problem. When I worked this problem I came up with (a) -2 and (b) 12:
5. Given that f(x)=1-3x and h(x)= (5x^2)+4x , find each of the following
(a) (f o h)(-1)
(b) (h o f)(1)
Answer by lyra(94) About Me  (Show Source):
You can put this solution on YOUR website!
5. Given that f(x)=1-3x and h(x)= (5x^2)+4x , find each of the following
(a) (f o h)(-1) 5%28-1%29=-5%5E2=25%2B4%28-1%29=25-4=21 1-3%2821%29=1-63=-62

(b) (h o f)(1)1-3%281%29=1-3=-2 5%28-2%29=-10%5E2=100%2B4%28-2%29=100-8=92
Hope this helps,
lyra