Question

please HELP!!!! MEDAL & FAN. If f(x) = x + 4 and g(x) = 2x - 3, find (g - f)(2)

Answer 1

(g - f)(x) = g(x) - f(x):

Therefore:
g(x) - f(x) = 2x - 3 - (x + 4) = 2x - 3 - x - 4 = (2x - x) - (3 + 4) = x - 7

Thus:
(g - f)(2) = g(2) - f(2) = 2 - 7 = - 5

Answer 2

so what do I do next

Answer 3

I posted the complete steps bro. Those are ALL the steps.

Answer 4

that's the answer ?

Answer 5

or do I solve

Answer 6

What I posted were the solution steps. The solution is included.

Answer 7

so its -5 ?

Answer 8

Yes, correct.