If (Fx) = Square root 4x+9+ 2, which inequality can be used to find the domain of f(x)?

A.Square root 4x is greater than or equal to zero
B.4x +9 is greater than or equal to 0
C. 4x is greater than or equal to 0
D.Square root 4x+9 +2 is greater than or equal to 0

If Fx Square root 4x9 2 which inequality can be used to find the domain of fx ASquare root 4x is greater than or equal to zero B4x 9 is greater than or equal to class=

Respuesta :

Answer:

Third one 4x+9

Step-by-step explanation:

We khow that any any real number inside the root should be positive

  • Our root is [tex]\sqrt{4x+9}[/tex]

4x+9 shoul be positive wich can be expressed mathematically by:

4x+9≥0