mina1970 mina1970
  • 30-06-2021
  • Mathematics
contestada

Suppose f(x) = – 22 – 4x + 2 and g(x) =
42? +52 +5.
(f +9)(2) =

Respuesta :

MrRoyal
MrRoyal MrRoyal
  • 05-07-2021

Answer:

[tex](f + g)(2) = 21[/tex]

Step-by-step explanation:

[tex]f(x) = -x^2 - 4x +2[/tex]

[tex]g(x) = 4x^2 + 5x + 5[/tex]

Required

[tex](f + g)(2)[/tex]

This is calculated as:

[tex](f + g)(2) = f(2) + g(2)[/tex]

Where:

[tex]f(2) = -2^2 - 4*2 +2 = -10[/tex]

[tex]g(2) = 4*2^2 + 5*2 + 5 = 31[/tex]

So:

[tex](f + g)(2) = f(2) + g(2)[/tex]

[tex](f + g)(2) = -10 + 31[/tex]

[tex](f + g)(2) = 21[/tex]

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