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3 years ago

Find the range of the following piecewise function.

Mathematics

1 answer:

Olegator [25]3 years ago

8 0

Answer:

None of the Above

Step-by-step explanation:

The range is [2, ∞) excluding (2, 7) and [11, 16). No part of the piecewise function will give f(x) = 5, for example.

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3 years ago

Simplify cos^2 A/1+sin A

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Answer:

$\displaystyle \frac{\cos^2(A)}{1+\sin(A)}=1-\sin(A)$

Step-by-step explanation:

We want to simplify:

$\displaystyle \frac{\cos^2(A)}{1+\sin(A)}$

Recall the Pythagorean Identity:

$\sin^2(A)+\cos^2(A)=1$

So:

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Substitute:

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Factor. We can use the difference of two squares pattern:

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Cancel. Hence:

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