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masha68 [24]
4 years ago
11

Does -x plus -x result in -x?

Mathematics
1 answer:
11Alexandr11 [23.1K]4 years ago
5 0
It results in -2x because 1+1=2 and its the same with negative numbers
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You multiply it with the same number you use for the denominator.
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Option C (in the figure) is correct.

Step-by-step explanation:

We need to find (f.g)(x)

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Now finding (f.g)(x)

(f.g)(x)= f(x).g(x)

(f.g)(x)= (2x+1)(x^2-7)\\(f.g)(x)=2x(x^2-7)+1(x^2-7)\\(f.g)(x)=2x^3-14x+x^2-7\\(f.g)(x)=2x^3+x^2-14x-7

So, (f.g)(x)=2x^3+x^2-14x-7

Option C (in the figure) is correct.

Learn more about Composite Functions at:

brainly.com/question/10772025

brainly.com/question/10541435

Keywords: Composite function

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Step-by-step explanation:

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