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taurus [48]
2 years ago
15

What is the inverse of F(x)= x^3+1

Mathematics
2 answers:
Nostrana [21]2 years ago
6 0

Answer:

f^{-1}(x)=\sqrt[3]{x-1}

Step-by-step explanation:

tigry1 [53]2 years ago
4 0

Answer:

To find inverse, interchange the variables and solve for y

Step-by-step explanation:

(I put mines in a doc)

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Find the slope of the line that passes through the pair of points. (5.3, –2.5), (7.3, –12.5)
astra-53 [7]

Answer:

-5

Step-by-step explanation:

The slope of the line is found by

m = (y2-y1)/(x2-x1)

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    = ( -12.5 +2.5)/( 7.3 - 5.3)

    = -10 /2

    = -5

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Step-by-step explanation:

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2 years ago
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2 years ago
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Divide £2400 into the ratio 5:7
sergiy2304 [10]

Answer:

£1000, £1400

Step-by-step explanation:

Sum the parts of the ratio 5 + 7 = 12 parts

Divide the amount by 12 to find the value of one part of the ratio.

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7 0
3 years ago
How many 4 digit numbers consisting of only the digits 2,4,6 and 8 are divisible by 4
Blababa [14]

Answer:

  • digits used once: 12
  • repeated digits: 128

Step-by-step explanation:

In order for a number to be divisible by 4, its last two digits must be divisible by 4. This will be the case if either of these conditions holds:

  • the ones digit is an even multiple of 2, and the tens digit is even
  • the ones digit is an odd multiple of 2, and the tens digit is odd.

We must count the ways these conditions can be met with the given digits.

__

Since we only have even numbers to work with, the ones digit must be an even multiple of 2: 4 or 8. (The tens digit cannot be odd.) The digits 4 and 8 comprise half of the available digits, so half of all possible numbers made from these digits will be divisible by 4.

<h3>digits used once</h3>

If the numbers must use each digit exactly once, there will be 4! = 24 of them. 24/2 = 12 of these 4-digit numbers will be divisible by 4.

<h3>repeated digits</h3>

Each of the four digits can have any of four values, so there will be 4^4 = 256 possible 4-digit numbers. Of these, 256/2 = 128 will be divisible by 4.

7 0
1 year ago
Read 2 more answers
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