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2 years ago

PLEASE HELP ASAP

Mathematics

2 answers:

gogolik [260]2 years ago

8 0

Answer:

The correct option is 0-4

Art [367]2 years ago

4 0

Step-by-step explanation:

option C

hope it helps

thank you

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Find f^(-1)for the function f(x)= (1)/(x+2)

Artyom0805 [142]

If $f(x)$ and $f^{-1}(x)$ are inverses of each other, then we have

$f\left(f^{-1}(x)\right) = x$

Since $f(x) = \frac1{x+2}$ , we have

$f\left(f^{-1}(x)\right) = \dfrac1{f^{-1}(x)+2} = x$

Solve for $f^{-1}(x)$ :

$\dfrac1{f^{-1}(x)+2} = x \\\\ 1 = x\left(f^{-1}(x)+2\right) \\\\ 1 = x f^{-1}(x) + 2x \\\\ x f^{-1}(x) = 1 - 2x \\\\ f^{-1}(x) = \dfrac{1-2x}x \\\\ \boxed{f^{-1}(x) = \dfrac1x - 2}$

(provided that <em>x</em> ≠ 0 and <em>x</em> ≠ -2)

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3 years ago

Which of the lines below is parallel to a line with a slope of three and Y intercept at (0, 3)

Luba_88 [7]

Answer:we would need a pic of the lines duh

Step-by-step explanation:

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3 years ago

Read 2 more answers

HELP ME PLEASE 30 points, HELP

mestny [16]

Answer:A

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When you translate you are simply moving the shape up, down, left right. You are not rotating it or chanding it's orientation.

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2 years ago

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Sue buys 5 pieces of fabric.Each piece is 1 7/10 yards long.What is the total length of the fabric she buys?One yard of the fabr

Bumek [7]

Answer:

1. 8.5 yards.

2. $42.5

Step-by-step explanation:

We have been given that Sue buys 5 pieces of fabric. Each piece is $1\frac{7}{10}$ yards long.

1. To find the total length of fabric bought by Sue we will multiply length of each fabric piece by 5.

$\text{Total length of the fabric}=5\times 1\frac{7}{10}\text{ yards}$

$\text{Total length of the fabric}=5\times \frac{17}{10}\text{ yards}$

$\text{Total length of the fabric}=\frac{17}{2}\text{ yards}$

$\text{Total length of the fabric}=8.5\text{ yards}$

Therefore, Sue bought 8.5 yards of fabric.

2. 1 yard of fabric costs $5.

So 8.5 yards of fabric will cost : 5*8.5

$\text{Total cost of the fabric}=5\times 8.5$

$\text{Total cost of the fabric}=42.5$

Therefore, the cost of total fabric bought by Sue is $42.5.

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3 years ago

The temperature is -3 F at 7:00 am During the next 4 hours the temperature increases 21 F. What is the temperature at 11:00am ?

telo118 [61]

Now what you want to do is 21 + (-3). Since this is the same as saying 21 - 3, the answer is 18. Therefore, the answer is 18°F.

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