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PIT_PIT [208]
3 years ago
11

Solve the following inequality.

Mathematics
1 answer:
Fynjy0 [20]3 years ago
5 0

Answer:

-6 < x < -3

Step-by-step explanation:

21 < -3( x – 4) < 30

Divide all sides by -3, remembering to flip the inequalities

21/-3  > -3/-3( x – 4) > 30/-3

-7 > x-4 > -10

Add 4 to all sides

-7+4 > x-4+4 > -10+4

-3 > x > -6

Rewrite

-6 < x < -3

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Answer:

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Step-by-step explanation:

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Since the change of x is 0 (a horizontal line), it is undefined.

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What is the inverse of the function f(x) = 2x + 1? h(x) = 1/2x - 1/2
sweet-ann [11.9K]

Answer:

h(x) = x/2 - 1/2

Step-by-step explanation:

Here's the procedure for finding the inverse function algebraically:

1.  Replace the label 'f(x)' with the label 'y:'  y = 2x + 1

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This result corresponds to the 1st given possible answer choice.

The desired inverse function is h(x) = x/2 - 1/2

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