Question

If f(x) = 4x - 20, what is f(4)?
O A. -4
оо
O B. -12
O c. 4
O D. 16

Answer 1

A. - 4

Step-by-step explanation:

f(4) = 4(4) - 20 = 16 - 20 = - 4

Answer 2

Answer: A

Step-by-step explanation:

If f(x) = 4x - 20
Then find f(4):

To find f(4) simply replace 4 to x

f(4) = 4(4) - 20
f(4) = 16 - 20
f(4) = -4