Question

Suppose that the functions f and g are defined for all real numbers x as follows. f(x)=x-6

g(x)=3x+3 Write the expression


(f+g)(x)=


(f•g)(x)=


(f-g)(-1)=

Answer 1

(f+g)(x)=4x-3

`(f•g)(x)=3( {x}^(2) - x - 6)`

(f-g)(x)= -4x-9

{f-g}(-4)= -6