3 years ago

Explain how to graph an inequality.

1 answer:

6 0

First,you should graph<span> the equals line, then lightly shade in the correct area. 3 steps: Rearrange the equation so "y" is on the left and everything else on the right. or below the line for a "less than" (y< or y≤)</span>

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If f(x) and f^-1(X) are inverse functions of each other and f(x)=2x+5, what I f^-1(8)

podryga [215]

Answer: 3/5

Step-by-step explanation:

First, you need to find the inverse of f(x)=2x+5 .

$f-1(x)= \frac{x}{2} -\frac{5}{2}$

Then, you'd plug in 8 into that equation, which I got $\frac{3}{5\\}$

Hope this helps :)

3 0

3 years ago

I dont get this one i usually know em but both anwers the same

Serga [27]

Answer:

what is the question. I'm confused

Step-by-step explanation:

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2 years ago

I think of a number take away one and multiply the result by three but using x as your unknow

Georgia [21]

I think of a number, (55) = my x. -1 = 54 x 3 = 162.

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2 years ago

Gwendolyn is asked to solve the equation -43 – 3) = 20. She sh

choli [55]

Answer:

-4x + 12 = 20 is incorrect. she added 12 to 20 instead of subtracting 12 from both sides.

Step-by-step explanation:

It should have been, write problem

-4(x - 3) = 20

Use distributive property.

-4x + 12 = 20

subtract 12 from each side

-4x =8

divide each side by -4

x = -2

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2 years ago

57.036 in word form and in expanded form.

scoray [572]

Here is the answer:

Expanded Form: 50 + 7 + 0.03 + 0.006

Word Form: Fifty plus seven plus zero point zero three plus zero point zero zero six

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2 years ago