Question

Given f(x)= x-3 and g(x)= 2x+1
Find (fºg) (-10)

Answer 1

- 66

Explanation:

Evaluate g(- 4) then substitute the value obtained into f(x) , that is

g(- 4) = - 2(- 4)² = - 2 × 16 = - 32, then

f(- 32) = 2(- 32 - 1) = 2 × - 33 = - 66