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Virty [35]
3 years ago
10

Given f(x) = x^2 + 7x and g(x) = x^4 choose the expression for (f ° g)(x)

Mathematics
1 answer:
Brums [2.3K]3 years ago
5 0

Answer:x^8+7x^4

Step-by-step explanation:

First we have to do the g(x) cause it's closest to x.

g(x)=x^4

x^4 is the output for g(x) ad input for f(x). So now we have to put it in x's place in here➡️f(x)

So, f(x^4)=(x^4)^2+ 7(x^4)

=x^8+7x^4

It's the final output

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4 years ago
Compute the exact interest on $5,870 at 12% if the money is borrowed from June to December of the same year.
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Answer:

The exact interest on $5,870 at 12% is $410.9

Step-by-step explanation:

From the information provided we know that

Principal amount: $5,870

Interest rate: 12% -> 0.12

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When you know the principal amount, the rate, and the time, the amount of interest can be calculated by using the formula:

I=P\cdot r\cdot t

where P is principal, r is the rate of interest and t is the time in years.

We need to convert the 7 months into 1 year.

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Now we can use the above formula

I=P\cdot r\cdot t=5870\cdot 0.12 \cdot \frac{7}{12} \\I = 0.12\cdot \frac{7\cdot \:5870}{12}\\I = 0.12\cdot \frac{20545}{6}\\I = \frac{2465.4}{6}\\I = 410.9

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3 years ago
What is the solution of the system of equations graphed?
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Step-by-step explanation:

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