Question

Consider the functions f(x) = 2(x − 3) and g(x) = 3x. What is the value of (f − g)(3)?

Answer 1

First find (f-g).
(f-g)(x)=f(x)-g(x)
=2(x-3)-3x
Then substitute 3 for x to find (f-g)(3)
Cn u do?

Answer 2

@orphtroll cn u do?

Answer 3

2x-6-3x=-x-6.. put x=3 u will get -9