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morpeh [17]
3 years ago
12

How does the graph of g(x) = −(x + 3)^4 compare to the parent function of f(x) = x^4

Mathematics
1 answer:
kotykmax [81]3 years ago
6 0

Answer: Option D

g(x) is shifted 3 units to the left and reflected over the x-axis.

Step-by-step explanation:

If we have a main function f (x) = x ^ 4

And we perform the transformation:

g (x) = f (x + h) = (x + h) ^ 4

Then it is fulfilled that:

If h> 0 the graph of f(x) moves horizontally h units to the left

If h the graph of f(x) moves horizontally h units to the right

If we have a main function f (x) = x ^ 4

And we perform the transformation:

g (x) = -f(x) = -x ^ 4

Then it is fulfilled that:

The graph of g(x) is equal to the graph of f(x) reflected on the x axis

In this case we have to:

g(x) = -(x + 3)^4 and f(x) = x^4

Therefore h=3>0 and g(x) = -f(x)

This mean that: g(x) is shifted 3 units to the left and reflected over the x-axis.

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Convert the following repeating decimal to a fraction in simplest form .31 with the 1 repeating
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Answer:

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Step-by-step explanation:

So we have the fraction:

0.3\bar1=0.31111...

We can do this algebraically. Follow to following steps:

Let's let this number equal to n. Thus:

0.31111...=n

Since there is only 1 digit repeating, let's multiply everything by 10. So:

3.1111...=10n

Now, subtract n from both sides:

3.1111-n=10n-n

On the left, substitute the number for n. On the right, combine like terms:

3.1111...-0.31111...=9n

All of the 1s will cancel. So:

3.1-0.3=9n

Subtract:

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Divide both sides by 9:

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Remove the decimal by multiplying both sides by 10:

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Reduce:

n=14/45

And we're done!

Use a calculator to check:

14/45\stackrel{\checkmark}{=}0.31111...

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