Question

F(x) = x² + x + 20
Find f(-3)

Answer 1

f(-3) = 26

Explanation:

f(x) = x^2 + x + 20

plug -3 in for x

f(-3) = (-3)^2 - 3 + 20

f(-3) = 9 - 3 + 20

f(-3) = 26