3 years ago

Please help!!!!!!!!!

Mathematics

2 answers:

Ira Lisetskai [31]3 years ago

5 0

Yes the answer to this would be c

finlep [7]3 years ago

4 0

Answer:

the answer is c :)

Step-by-step explanation:

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f(x)=8−4x−x3 g(x)=x2+7x−9 Find f(x)+g(x). Select one: a. x3+x2+3x−1 b. −x3+x+3x−1 c. −x3+x2+11x−9 d. 8x2+3x−9x3

vovangra [49]

Answer:

Step-by-step explanation:

We are given the two functions:

$f(x) = 8 - 4x - x^3\text{ and } g(x) = x^2 + 7x - 9$

And we want to find:

$f(x) + g(x)$

Substitute:

$= (8 - 4x - x^3) + (x^2 + 7x - 9)$

Rewrite:

$= (-x^3) + (x^2) + (7x - 4x) + (8 - 9)$

Combine like terms:

$= -x^3 + x^2 +3x -1$

In conclusion:

$f(x) + g(x) = -x^3 + x^2 +3x -1$

Hence, our answer is B.

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Rina8888 [55]

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4 years ago

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Step-by-step explanation:

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Answer:

88 3/3 - 6 2/3 = 82 1/3

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