Respuesta :

sqdancefan

Answer:

  10h +h^2

Step-by-step explanation:

Put the function arguments where x is and do the algebra.

  f(5 +h) -f(5)

  = ((5+h)^2 -2) -(5^2 -2)

  = (25 +10h +h^2 -2) -(25 -2)

  = 10h +h^2