Step-by-step explanation:

f (x) = 4x + 3

g (x) = 6x - 2

(f o g) (x) = f (g (x))

(f o g) (x) = 4 (6x - 2) + 3

(f o g) (x) = 24x - 8 + 3

(f o g) (x) = 24x - 5

I hope this helps