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pentagon [3]
3 years ago
12

Please please please help!!!!!!! Let f(x) = -9x + 2 and g(x) = 4x - 3. Find f(g(x)).

Mathematics
2 answers:
Art [367]3 years ago
6 0
All you would do is plug in g(x) everywhere there is an x in f(x). For Example: -9(4x-3)+2
Varvara68 [4.7K]3 years ago
3 0

Answer:

-36x+29

Step-by-step explanation:

f(g(x))=-9g(x)+2=-9(4x-3)+2=-36x+27+2=-36x+29

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One-stray Problem Solving
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b) The remaining fence, after the two sides of length x are fenced, is 200-2x. That is the length of the side parallel to the building. The product of the lengths parallel and perpendicular to the building is the area of the playground:
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c) The equation makes no sense if either length (x or 200-2x) is negative, so a reasonable domain is (0, 100). For x=0 or x=100, the playground area is zero, so we're not concerned with those cases, either. Those endpoints could be included in the domain if you like.
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Step-by-step explanation:

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Answer:

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