Writing In Exercises 53 and $54,$ use a graphing utility to graph each function $f$ in the same viewing window for $c=-2$ , $c=-1, c=1,$ and $c=2 .$ Give a written description of the change in the graph caused by changing $c .$

$$\begin{array}{l}{\text { (a) } f(x)=c \sin x} \\ {\text { (b) } f(x)=\cos (c x)} \\ {\text { (c) } f(x)=\cos (\pi x-c)}\end{array}$$

## Discussion

## Video Transcript

Okay, so we're asking from the period, uh, seven handed to Pyrex pie Time, Dex. So when we have pendant, our period is equal to pi over the actual value of me. What is this the coefficients in front of? So in this case, we have to buy. You're gonna be pi over to pine. Excuse me. One over two.

## Recommended Questions