Question

Assume f(x) = -2x + 8 and g(x) = 5x. What is the value of (f - g)(2)?

Answer 1

just plug in x= 2 in f(x) and g(x)
what u get ?

Answer 2

because (f-g)(2) = f(2) - g(2)

Answer 3

and to get f(2) from f(x) we put x=2 in it

Answer 4

so (2-2)(2)?

Answer 5

wiat

Answer 6

waiting...

Answer 7

don't put f=2,
put x=2 in f(x)

Answer 8

i'm not getting it, :s.

Answer 9

got that ?