EMW047 EMW047
  • 14-07-2017
  • Mathematics
contestada

if f(x)=x²+3x+5, what is f(3+h)?

A.) h²+h+23
B.) h²+9h+23
C.) (3+h)²+8+h
D.) (x²+3x+5)(3+h)

Respuesta :

tonb
tonb tonb
  • 14-07-2017
You have to substitute 3+h for x, then work out the equation.

(3+h)^2 + 3(3+h) + 5 = 9 + 6h + h^2 + 9 + 3h + 5 =

h^2 + 9h + 23

Answer B.
Answer Link
salsabeelmousa0929 salsabeelmousa0929
  • 19-04-2021

Answer:

The answer is B.

Step-by-step explanation:

Answer Link

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