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vlada-n [284]
3 years ago
12

In need of help!!!! It would be really helpful

Mathematics
1 answer:
irinina [24]3 years ago
5 0

Answer:

The answer is 17.

Step-by-step explanation: The reason for the answer 17 is to find the average or the middle line in the trapezoid you add the top line and the bottom line. After you add those two together you get 34. Then you divide it by 2 which you get 17. Sorry I answered this late.

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Lucy loves to wear gloves. She has four red gloves and two blue gloves in her drawer. They are not separated into pairs. One dar
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The function of f(x) = 3x + 2 has a domain of -3 &lt; x &lt; 5. What is the domain of f-1(x)?
Flura [38]
<h3>Answer:    -7 < x < 17</h3>

====================================================

Explanation:

Plug in the lower bound of the domain, which is x = -3

f(x) = 3x+2

f(-3) = 3(-3)+2

f(-3) = -9+2

f(-3) = -7

If x = -3, then the output is y = -7. Since f(x) is an increasing function (due to the positive slope), we know that y = -7 is the lower bound of the range.

If you plugged in x = 5, you should find that f(5) = 17 making this the upper bound of the range.

The range of f(x) is -7 < y < 17

Recall that the domain and range swap places when going from the original function f(x) to the inverse f^{-1}(x)

This swap happens because how x and y change places when determining the inverse itself. In other words, you go from y = 3x+2 to x = 3y+2. Solving for y gets us y = (x-2)/3 which is the inverse.

-----------------------

In short, we found the range of f(x) is -7 < y < 17.

That means the domain of the inverse is -7 < x < 17 since the domain and range swap roles when going from original to inverse.

6 0
3 years ago
PLEASE HELP!!! WILL MARK BRAINLIEST!!! Answers only related to the question please!
Margarita [4]

Answer:

x is form

Step-by-step explanation:

6 0
2 years ago
If (x2 – 4) = (x + 2) = x -2, which polynomial should fill in the blank below?
Hitman42 [59]

Step-by-step explanation:

use the identity a²-b²=(a-b)(a+b)

x²-4=(x-2)(x+2)

so the answer is x-2

4 0
3 years ago
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