A pool company is trying out several new drains. Drai n A empties a pool at a rate of 2 gal/min. Drain B empties a pool at a rat
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Answer:
Step-by-step explanation:
The trigonometric function that needs a domain restriction of to make it invertible is
.
The function will pass the horizontal line test on this interval therefore making it an invertible function on this interval.
This explains why the inverse tangent function, has range
.
