Question

Help me understand this please!!!!!!!!!!!!!!!!!!!

Answer 1

f(- 5) = 23

Explanation:

substitute x = - 5 into f(x)

f(- 5) = - (- 5)² - 8(- 5) + 8 = - 25 + 40 + 8 = - 25 + 48 = 23

Answer 2

Answer: f(-5)=7

Explanation:

`f(x)=-x^2-8x-8\\\\f(-5)=-(-5)^2-8*(-5)-8\\\\f(-5)=-25+40-8\\\\f(-5)=7`