The square of 9 less than a number is 3 less than the number. what is the number?
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0
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-12 or 7
-12 or -7
-7 or 12
7 or 12

Ijust need to see how to do this. so you don’t have to answer all of them just a step by step explanation of one.

Find the average rate of change for the given function drom x=1 to x=2

The domain of the following relation: r: {(3, 5), (8, 6), (2, 1), (8, 6)} is (1 point) no domain exists {1, 5, 6} {3, 8, 2, 8} {2, 3, 8}