Question

A function is shown.

f(x)= 7-4x


What is the value of f(-5)?


A. 27

B. -13

C. -15

D. 140

Answer 1

Explanation:

if the value of f(x) =7-4x

then the value of (-5)

= substituting the value

= 7-4x

or, 7-4*(-5)

or, 7(-4*-5)

or, 7*(+20)

or, 7*20

or, 140 Answer.