Question

What is the value of the function f(x) = x2− 5x + 2 evaluated at x = 2?

A.−4
B.2
C.6
D.16

Answer 1

A. -4

Explanation:

f(x) = 2x - 5x + 2

if x = 2

f(2) = 2(2) - 5(2) + 2

= 4 - 10 + 2

= -6 + 2

= -4

The answer is A, -4