Given the function rule f(x)=x2-5x+1, what is the output of f(-3)?

A. 7

B. -5

C. 25

D. 5

1 answer

The output of f(-3) is:

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

Therefore, the answer is C. 25.