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Y_Kistochka [10]
3 years ago
15

This is algebra. Please I need help!!!

Mathematics
1 answer:
Nataly [62]3 years ago
6 0
1. Is zero
2. Zero
3
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If f(7)=22, then f^-1(f(7))=?<br> Please help!!
alexira [117]

Answer:

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Step-by-step explanation:

In general, the point of an inverse function is to show you the value that gives a particular function value. That is, ...

  f^{-1}(22)=7\\\\f^{-1}(f(x))=x\\\\f^{-1}(f(7))=7

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3 years ago
The double number line shows the amount of time a hen needs to lay 1 egg.
DaniilM [7]

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An airline charges $150 for a ticket and $20 for each bag.
AnnyKZ [126]

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Alske

4 0
2 years ago
Factor completely x2 + 20x − 36.
vodomira [7]

Answer:

Prime

Step-by-step explanation:

x² + 20x − 36

You must find a pair of numbers that multiply to give -36 and add to give +20.

The likely candidates are 2 and 18, and they must have opposite signs to give a negative product.

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The expression can't be factored with rational numbers.

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5 0
3 years ago
F(x)= 2/3x -6 what is the value of f(-9)
STALIN [3.7K]

f(-9) means x is -9

Replace x with -9 and solve:

2/3(-9) - 6

Simplify:

-6 - 6 = -12

f(-9) = -12

3 0
3 years ago
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