SOLUTION: Given h(x) = 2x + 4 and f(x) = 1/2 x + 9, evaluate the composite function. f[h(x)]

Algebra ->  Functions -> SOLUTION: Given h(x) = 2x + 4 and f(x) = 1/2 x + 9, evaluate the composite function. f[h(x)]       Log On


   

Question 1005516: Given
h(x) = 2x + 4
and
f(x) =
1/2
x + 9,
evaluate the composite function.
f[h(x)]
Answer by fractalier(6550) About Me  (Show Source):
You can put this solution on YOUR website!
To find f(h(x)) we plug h(x) in for x in the f(x) function and get
f(h(x)) = f(2x + 4) = (1/2)(2x+4) + 9 = x + 2 + 9 = x + 11