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damaskus [11]
2 years ago
11

Find the inverse function

Mathematics
2 answers:
drek231 [11]2 years ago
8 0

Answer:

f^-1(x) = ( x + -1 )³

Step-by-step explanation:

f(x) = ∛x + 1

y  = ∛x + 1

we have to make x the subject to find the inverse

y  = ∛x + 1

y - 1 = ∛x

( y - 1 )³ = x

so Inverse: f^-1(x) = ( x + -1 )³

Hoochie [10]2 years ago
4 0
(?) is (-1) and that gray blank thing is 3.
Give a brainliest please:-)

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Brilliant_brown [7]

Answer:

1. 3,168 in³

2. \frac{3}{4}

Step-by-step explanation:

1. The total volume of the tank - as calculated by the formula for a rectangular prism - V=LWH, where L is length, W is width, and H is height. 15 · 24 · 11 = 3,960 in³. Next, we divide 3,960 by five to get 792. If 792 in³ is the air at the top, we can then subtract that from 3,960 and get 3,168. So there are 3,168 in³ of water in the tank.

2. If we dump 3,168 in³ of water into a 12,672 in³ tank, then \frac{3,168}{12,672} of the tank will be full. Simplified, that is \frac{1}{4}. So that means \frac{3}{4} of the tank will be empty.

Hope this helps! Feel free to ask any questions!

6 0
3 years ago
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A group of 18 people ordered soup and sandwiches for lunch. Each person in the group either ordered one soup or one sandwich . T
kkurt [141]
Let's say a = number of ordered soups, b = number of ordered sandwiches.

Then 4.5a + 7.75b = 113.50, and a and b are integers between 0 and 18 inclusive.

How do we tackle this? If all ordered soup, the cost would be $81, so we'll have at least 4 sandwiches. If all ordered sandwich, the cost would be $139.5, so at most 15 sandwiches were ordered. You also know an even number of sandwiches was ordered, to let the price end at 50 cent.

If you brute-force from 4,6,8,10,12 to 14 sandwiches, you find the answer at 10 sandwiches and 8 soups.

10*7.75 + 8*4.50 = 113.50


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3 years ago
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Step-by-step explanation:

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Answer:

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