Determine the amplitude or period as requested.
Graph Variations of y = cos x
-Period of $y = \cos 3 x$
A) $\frac { 2 \pi } { 3 }$
B) 3
C) $2 \pi$
D) 1

Name: Determine the amplitude or period as requested. Graph Variations of y = cos x -Period of $y = \cos 3 x$ A) $\frac { 2 \pi } { 3 }$ B) 3 C) $2 \pi$ D) 1
Brand: Quizplus
Rating: 4.9 (35 reviews)

Question

Quizplus · Accepted Answer

The period of a function $y = \cos bx$ is given by $\frac{2\pi}{|b|}$. For $y = \cos 3x$, $b = 3$, so the period is $\frac{2\pi}{3}$.

Determine the Amplitude or Period as Requested y=cos⁡3xy = \cos 3 xy=cos3x

Determine the Amplitude or Period as Requested $y = \cos 3 x$