Question

Evaluate the function if x=-3
f(x) =1/2x-1
A. -2.5
B. 0.5
C. -4
D. -1

Answer 1

A) -2.5

Explanation:

You have to plug the x-value into the function.

f(x) = (1/2)x - 1

f(x) = 1/2(-3) - 1

f(x) = (-3/2) - 1

f(x) = -1.5-1

f(x) = -2.5