MegaBits MegaBits
  • 22-06-2022
  • Mathematics
contestada

Find (gof)(3)
f(x) = |x+2|
g(x) = -x^2

A. -25
B. 1
C. 4
D. -15

Respuesta :

jimrgrant1 jimrgrant1
  • 22-06-2022

Answer:

A

Step-by-step explanation:

to find (g ○ f)(3) , evaluate f(3) and substitute the value obtained into g(x)

f(3) = | 3 + 2 | = 5 , then

g(5) = - 5² = - 25

Answer Link
MissSpanish
MissSpanish MissSpanish
  • 22-06-2022

First of all, we replace the unknown "x" by "3".

We put the function "f" inside the function "g".

[tex]g( |3 \: + \: 2| ) \: = \: - |3 \: + \: 2| ^{2} [/tex]

[tex]g( |5| ) \: = \: - |5| ^{2} [/tex]

[tex]g(5) \: = \: - 5 ^{2} [/tex]

[tex]g(5) \: = \: \boxed{ \bold{ - 25}}[/tex]

Answer:

[tex] \text{A. } \: \boxed{ \bold{-25}}[/tex]

MissSpanish

Answer Link

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