## anonymous 3 years ago What is the minimum value of the function: $y=3\cos 2Pix$

1. anonymous

minimum value of cosine is -1 minimum value of 3 times cosine is -3

2. anonymous

@satellite73 @Hero

3. anonymous

got ya, so if the problem did not have a 3, it would be -1? But since it is a 3 there, it is -3?

4. anonymous

yes

5. anonymous

got it. thanks!

6. anonymous

yw