Respuesta :

kanest
Replace f(x) and g(x) with what they equal:

[tex]5x - 12 - (-3x + 4)[/tex]
[tex]5x - 12 + 3x - 4[/tex]

Combine like terms:

[tex]5x + 3x = 8x[/tex]
[tex]-12 - 4 = -16[/tex]

[tex]8x - 16[/tex]

The answer is C.