Which of the following is the best use for the sign chart when graphing rational functions?
1 answer:
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Circumference = 2 
r
42 = 2 r
42/(2) = r
21/ = r
Area = r²
= (21/)²
= 21²/
= 140.37
≈ 140.4
Answer: A
42 = 2
42/(2
21/
Area =
=
= 21²/
= 140.37
≈ 140.4
Answer: A
The actual inverse function is:
And the domain is [0, ∞).
<h3>Where is the mistake?</h3>
Remember that for a given function f(x) with a domain D and a range R.
For the inverse function, f⁻¹(x) the domain is R and the range is D.
Here, for the given function the domain is x ≥ 3 and the range is [0, ∞).
Then for the inverse function, which is:
(to check this, you must have that):
The domain will be [0, ∞) and the range x ≥ 3
If you want to learn more about inverse functions:
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