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Alla [95]
2 years ago
8

Garcia is modeling the equation 5x

Mathematics
1 answer:
anyanavicka [17]2 years ago
8 0
A. 5 positive x tiles and 1 negative
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Step-by-step explanation: In a function, what you want to do is plug in the value they give you for x. This means you substitute x with the value they are looking for.

In this case, they are looking at 12 and -7. Let's do 12 first.

The equation becomes (12^2) - 7. 12^2 is 144, and 144-7 is 137.

Now we do -7. The equation becomes (-7)^2 - 7. -7^2 is 49, and 49 - 7 is 42.

Hope this helped!

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