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Match the y-coordinate with the given x-coordinate for the equation y = log2x. 1. 8 1 2. 4 3 3. 2 **
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Question

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## Answers ( )

If we evaluate the function at the given points, we have:

In fact, the function returns, for a given number , the exponent you have to give to 2 to obtain .

So, you want to obtain 8, you have to raise 2 to the 3rd power, if you want 4 you have to raise 2 to the 2nd power, and so on.

1. 8

1

3

2. 2

3

0

3. 1

5

-1

4. 4

4

2

5. 1/2

2

1