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REY [17]
2 years ago
5

7. Which of the following is true?

Mathematics
1 answer:
san4es73 [151]2 years ago
6 0

Answer:

The horizontal line test is used to determine if a functions inverse will be a function. You will compose the functions (that is, plug x into one function, plug that function into the inverse function, and then simplify) and verify that you end up with just "x". Here's what it looks like: Determine algebraically whether f (x) = 3x – 2 and g(x) = (x + 2)/3 are inverses of each other.

Use the horizontal line test to determine if a function is a one-to-one function.

If ANY horizontal line intersects your original function in ONLY ONE location, your function will be a one-to-one function and its inverse will also be a function.

hope this helps

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HELP!!!!!!!!!!!!!!!!!!  What is the perimeter of the figure shown on the coordinate plane?
densk [106]
You can look at those dots, for example, you see (2,8) and (2,2) then look at y and the difference is 6. so if you see it like that, (2,8) and (5,8) is 3, (5,8) and (5,4) would be 4, (5,4) and (8,4) would be 3, (8,4) and (8,2) would be 2, and lastly (2,2) and (8,2) is 6
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so the perimeter of this figure is 24<span />
7 0
3 years ago
Please solve the math problem for me... I will mark you brainliest
natali 33 [55]

Answer:

x=34

Step-by-step explanation:

*it's kind of hard to read the number in parenthesis though but i think it's 5

both angles have to add up to 180º because they are co-exterior angles on parallel lines.

2(x+5)+102=180\\2(x+5)=78\\2x+10=78\\2x=68\\x=34

6 0
2 years ago
Anthony sold 45 tickets to the school play and Katy sold 40 tickets. What is the ratio of the number of tickets Anthony sold to
Sindrei [870]

Answer:

the answer is 40:45

Step-by-step explanation:

i did the test and got it right

3 0
2 years ago
The area of the patio is 216 square feet. Write an equation that represents the area of the patio
Hoochie [10]

Answer:

216=2w \times w

Step-by-step explanation:

Assuming that the patio is a rectangle, we have

A= l\times w

Where l is the length and w is the width.

Now let's assume that the length of the patio is double than the width.

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So, the equation that represents this problem is

216=2w \times w

6 0
3 years ago
Its basically just percents y=85(1.25)=
frosja888 [35]

Answer:

106.25

Step-by-step explanation:

y = 85(1.25) = 106.25

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6 0
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