MediumInverse functions

OpenStax, Algebra and Trigonometry 2e §8.3 Inverse Trigonometric Functions · Review Exercise 81 · Trigonometry · Inverse functions

Inverse Trigonometric Functions · Review Exercise 81

Use this scenario: The population of a city has risen and fallen over a 20-year interval. Its population may be modeled by the following function: $y = 12, 000 + 8, 000 s in (0.628 x),$ where the domain is the years since 1980 and the range is the population of the city.

What is the largest and smallest population the city may have?

~8 minWritten answer · compare with the solution

OpenStax, Algebra and Trigonometry 2e · §8.3 Inverse Trigonometric Functions · Review Exercise 81

Stuck? A gentle nudge

No hints for this one.

Something off?

Workspace

Your working

Check your full solution

Upload photos of your handwritten work or a PDF, and Lemma will read it and tell you whether it's right — and where it first goes wrong if not.