Question

7.

Evaluate f(x) = -2x - 5 for x = 3.

A. 1

B. 11

C. –6

D. –11

Answer 1

I think the answer is d. -11

Explanation:

Replace the variable x with 3 in the expression.
f(3)=-2•3-5

Multiply -2 by 3
f(3)=-6 -5

Subtract 5 from -6
f(3)= -11

Then the answer should be -11.