Question

If f(x) = 3x+ 10x and g(x) = 4x - 2, find (f - g)(x).

Answer 1

-x + 12

Explanation:

Shown in picture:

Answer 2

9x +2

Explanation:

f(x) = 3x+ 10x

g(x) = 4x - 2,

(f - g)(x)= 3x+10x - (4x-2)

Distribute the minus sign

= 3x+10x -4x+2

Combine like terms

= 9x +2