17-05-2019
Mathematics

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help!! need explanation too!

help need explanation too class=

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MandyHuai MandyHuai

17-05-2019

So the answer is G.

The “x” in f(x) and the “x” in the equation are always the same, which means that when the “x” in f(x) equals to 3, the “x” in the equation equals to 3 as well. So the equation changes to -2 x 3^2 + 3 - 5= -2 x 9 + 3 - 5=20

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