25) If f (x) = 2x-3 and g (x) = 2x + 5, what is the value of (g • f) (4) ?

A) 3

B) 6

C) 3.5

(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