Question

1. dik : f(x) = 3 per x - 7
g(x)= x + 5
dit : f O g(x)
g O g (x)

Answer 1

F o g (x) =  f [g(x)]
= f (x+5)
= 3 per (x+5) - 7
= 3 per x - 2

g o g (x) = g [g(x)]
= g (x+5)
= (x+5) + 5
= x + 10

Answer 2

Fog(x) = 3 / x-2
gog(x) = x + 5 + 5 = x + 10