kingkealin
kingkealin kingkealin
  • 10-02-2021
  • Mathematics
contestada

What is the value of x when f (x) = 4

What is the value of x when f x 4 class=

Respuesta :

amyn8998
amyn8998 amyn8998
  • 10-02-2021

Answer:

B

Step-by-step explanation:

Set up the equation first:  

4=x^2+4 (this is because we were told f(x)=4)

Bring the 4 from the x^2 side to the side with a number:

4-4=x^2

Simplify

x^2=0

[tex]\sqrt{0} = 0[/tex]

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