Question

HURRY! The function f is defined below. What is the value of f(-3)?

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

-22
-10
-7
-4
8

Answer 1

-4

Explanation:

`f( x) = {x}^(2) + 2x - 7 \\ f( -3) = {( - 3)}^(2) + 2( - 3) - 7 \\ f( - 3) = 9 - 6 - 7 \\ f( - 3) = - 4`