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20-08-2021
Mathematics

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g(x) = –2x – 9 What is g(–7)? A. 5 B. –1 C. –5 D. –23

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20-08-2021

Answer:

D. -23

Step-by-step explanation:

The question wants you to plug in the -7 into the equation. So in this case it wants you to plug the -7 in so it looks like this:

-2(-7)-9

Now it's just simplify which would be easy. Follow PEMDAS(parenthesis, exponents, multiplication, division, addition, subtraction). Do the multiplication first so you get -14-9 and then you'll get -23.

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