Question

F(x)=x+5 and g(x)=2x+3. find fog(2) and gof(7) ?

Answer 1

Answer:

Step-by-step explanation:

fog(2) = f (2x+3)

          = f (2*2+3)

           = f (4+3)

           = f(7)

            = x+5

            = 7 + 5

            = 12

gof(7) = g(x+5)

          = g(7+5)

          = g(12)

          = 2x+3

          = 2*12+3

          = 24+3

          = 27