Respuesta :

Answer:

  • (f·g)(x) = 3x² + 1

Step-by-step explanation:

Given:

  • f(x)=x+2,  g(x)=3x²-1

To find:

  • (f·g) (x) = ?

Solution:

  • (f·g)(x) = f(g(x)) = f(3x²-1) = (3x²-1) + 2 = 3x² + 1
  • (f·g)(x) = 3x² + 1