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NISA [10]
2 years ago
13

NEED HELP IMMEDIATELY PLS!

Mathematics
2 answers:
Dmitry [639]2 years ago
4 0

Answer:c

Step-by-step explanation:

c

Citrus2011 [14]2 years ago
4 0

Answer:

D.

Step-by-step explanation:

The equation must be true to have a proportion.

12/20 = 0.6

21/34 = 0.62

A. No

10/15 = 0.666666...

34/60 = 0.566666...

B. No

13/23 = 0.565217...

26/56 = 0.46428...

C. No

25/15 = 1.6666...

85/51 = 1.6666...

D. Yes

Answer: D

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borishaifa [10]

Answer:

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f(x) = \sqrt x - 8

Solving (a): f^{-1}(x)

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f(x) = \sqrt x - 8

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y = \sqrt x - 8

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x = \sqrt y - 8

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Square both sides

(x + 8)^2 = y

Rewrite as:

y = (x + 8)^2

Express y as: f^{-1}(x)

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The range of this is: f(x) \ge -8

The domain of the inverse function is the range of the original function.

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