Question

Find the value of f(-142) for the function below.

f(x) = -0.2(x + 223)

A.
81
B.
-186.6
C.
-16.2
D.
251.4

Answer 1

Your answer is C.) -16.2

Explanation:

First you replace x in the equation with (-142)

Then you add (-142+223) and you get 81

Finally you multiply -0.2(81) and you get

-16.2