Question

Find the domain and range of y= root of x^2+9

Answer 1

Answer:

domIn = R

range = (-3,-2-1,0,1,2,3)

Answer 2

Step-by-step explanation:

For the domin

We require

$x {}^{2} - 6 \geqslant 0$

$= > x {}^{2} \geqslant 9$

$= > x - \leqslant - 3 \: orx > 3$