Respuesta :

Answer:

(g • f) (4)  = 15

Step-by-step explanation:

Here, f(x)  =   2x -3

g(x) = 2x +5

Now, (g • f)(4)  = g (f(4)) = g(2(4) -3)  = g(5)

now, g(5) = 2 (5)  + 5 = 15

So, (g • f) (4)  = 15

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