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Zinaida [17]
3 years ago
15

Does anyone know how to do this?? steps are helpful but not necessary

Mathematics
1 answer:
aniked [119]3 years ago
6 0

Answer:

C.  \frac{2(x+16)}{x+4}

Step-by-step explanation:

We want fg of x, so first we have to multiply f(x) times g(x).

\frac{x+16}{x} * \frac{2x}{x+4}

\frac{(x+16)2x}{x(x+4)}

\frac{2x^{2}+32x}{x^{2}+4x}

We can cancel out an x from every term.

\frac{2x+32}{x+4}

Let's rewind a little to get this into one of the answer choices.

\frac{2(x+16)}{x+4} is our answer.

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If f(x) = kx^3+ x^2 − kx + 2, find a number k such that the graph of f contains the point (k, -10)
Elina [12.6K]

If we write k where we see x in the equation and set the result equal to -10, we get the result.

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4 0
11 months ago
A 32-ounce package of a snack mix is 24 percent pretzels. How many ounces are pretzels?
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Step-by-step explanation:

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