6
QuizMultiple Choice

Composition of Functions and Modeling — Quiz

Question 6 • Trigonometry/Pre-calculus

A marble dropped in still water will create circular ripples or waves. The radius of each circular wave will increase 4 centimeters per second. What is the circumference of the circle after t seconds?

Answer
A
cap c times t is equal to 2 pi t
B
cap c times t is equal to 8 pi t
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