kiaracystalharris987 kiaracystalharris987

30-04-2020
Mathematics

contestada

If f(x) = -x^2 – 1, and
g(x) = x + 5, then
g(f (x)) = [? ]x^2+[ ]x + [ ]

If fx x2 1 and gx x 5 then gf x x2 x class=

Respuesta :

jimrgrant1 jimrgrant1

30-04-2020

Answer:

g(f(x)) = - x² + 4

Step-by-step explanation:

To evaluate g(f(x)), substitute x = f(x) into g(x), that is

g(f(x))

= g(- x² - 1)

= - x² - 1 + 5

= - x² + 4

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