Question

If f(x)=4x-20 what is f(4)

Answer 1

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

Answer 2

Answer:

f(4) = -4

Step-by-step explanation:

f(x) = 4x - 20

f(4) → put x = 4 to the equation of the function:

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