Respuesta :

Answer:

See below

Step-by-step explanation:

What you need to do is put   g(x)   in for 'x' of f(x)

f(g(x) =   2(5x+7)^2 -5

       2 ( 25x^2 + 70x + 49)   - 5

     = 50x^2 + 140x + 93