Question

Given the function rule f(x) = x^2 - 5x + 1, what is the output of f(-3)?

a. 7
b. -5
c. 25
d. 5

Answer 1

C

Explanation:

To evaluate f(- 3) substitute x = - 3 into f(x) , that is

f(- 3) = (- 3)² - 5(- 3) + 1 = 9 + 15 + 1 = 25