Question

Please anyone help me on this

Answer 1

1

Explanation:

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

or we can also do

(f-g)(x) = 5x - |x + 7|

f(2) = 5*2 = 10

g(2) = |2 + 7| = |9| = 9

(f-g)(2) = f(2) - g(2) = 1