Question

Given the functions k(x) = 2x^2 − 7 and p(x) = x − 4, find (k ∘ p)(x).

Answer 1

2x^2 -15

Explanation:

to find (k°p)(x) replace every x in the k (x) function with the ehole value of p(x)

2 (x-4)^2 -7 = 2x^2 -8 -7 ➡ 2x^2 -15