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Likurg_2 [28]
3 years ago
8

The functions f(x) and g(x) are defined below.

Mathematics
2 answers:
Georgia [21]3 years ago
5 0
<h3>Answer:</h3>

none of the above

<h3>Step-by-step explanation:</h3>

This question wants you to see that the radical can be simplified because it is ...

f(x)=\sqrt{(x+6)^2}

The answer choices show you are expected to simplify this to ...

... f(x) = x +6

Then

... f(x)·g(x) = (x+6)(x³ -12) = x⁴ +6x³ -12x -72 . . . . . matches choice C

_____

However,

... f(x) = |x+6| . . . . . . . √(x^2) = |x|, the positive root regardless of sign of x

so the product f(x)·g(x) only matches selection C for x≥ -6. It matches the opposite of selection C for x ≤ -6.

The attached graph shows this. It graphs f(x), g(x), f(x)·g(x) (as a purple curve), and selection C (as orange dots).

SCORPION-xisa [38]3 years ago
4 0

Answer:

The answer is C. x^{4}+6x^{3} -12x-72

Step-by-step explanation:

Just took the test on Plato

#PlatoLivesMatter

#YeetLife

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suppose that the local sales tax rate is 6.25% and youpurchased a used carr for 16,800. what is the car's total cost
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Total= Car Cost + (Car Cost * Tax %)


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