3 years ago

Express the set in interval notation:

1 answer:

5 0

(2,infinity)
(the first option)

reason:

the 2 is a ( because that’s what is shown on the number line. infinity is also a ) because infinity can’t have a ]

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Harley begins solve this problem by combining like terms 3x + 5x =10

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3 years ago

Factor. 28 - 4u I don’t know how to factor 28-4u so if anyone can help thank you

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Step-by-step explanation:

In order to factor, you have to find the GCF (Greatest Common Factor)

28:1, 28, 2, 14, 4, 7

4:1, 4, 2

The greatest common factor here is 4.

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Step-by-step explanation:

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2 years ago

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The graph of the parent function y = x cubed is horizontally stretched by a factor of One-fifth and reflected over the y-axis. W

sasho [114]

Answer: OPTION D.

Step-by-step explanation:

Below are some transformations for a function f(x):

If $-f(x)$ , then the function is reflected over the x-axis.

If $f(-x)$ , then the function is reflected over the y-axis.

If $f(bx)$ and $b>1$ , then the function is horizontally compressed.

If $f(bx)$ and $0 < b$ , then the function is horizontally stretched.

In this case you know that the parent function is:

$y=x^3$

According to the information given in the exercise, the parent function IS horizontally stretched by a factor of $\frac{1}{5}$ and it is also reflected over the y-axis.