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
Answer:
6 pounds lost
Step-by-step explanation:
5+4 is 9 9-3 is 6 which means that in total, 6 pounds was lost
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