Question

If f(x)=2x^2-4x and g(x) = 5 – 2x, evaluate f(x) – g(x) for x = 5.
A.

15
B.

5
C.

35
D.

20

Answer 1

what's f(x)?

Answer 2

just subtract g(s) from f(x)
then plug in x=5 into the result and work it out

Answer 3

C. 35

Answer 4

plug 5 in to f(x) and g(x)
and subtract both answers