Which of the following graphs are identical
![Which of the following graphs are identical class=](https://us-static.z-dn.net/files/d26/3d328ffe5c89269ee9c07c12faaf12ff.png)
Answer:
The domain is x ≥ -7
Step-by-step explanation:
The domain asks what values can x take
We know that the sqrt(x+7) must be ≥ 0
That means the smallest value it can be is zero
x+7 ≥ 0
x ≥ -7
The domain is x ≥ -7