Question

Given the function:
f(x) = x² + 7
=
Find the value of f(-4).

Answer 1

Answer:

f(-4) = 23

Step-by-step explanation:

f(x) = x² + 7

Let x = -4

f(-4) = (-4)^2 +7

Exponents first

     = 16+7

     = 23