Question

Please Help? (pouty face)

What is the period of the function?
y = (4 cos) pi(x)

Answer 1

@phi @whpalmer @amistre64

Answer 2

@jim_thompson5910

Answer 3

Potty face?

Answer 4

The period of A cos(a x + b ) is 2 pi/|a|

Answer 5

what do I plug in? And its pouty face, like pouting? :)

Answer 6

Do you have any answer choices by chance?

Answer 7

yes just a minute please..

Answer 8

1, 2 , pi, 2pi

Answer 9

here a=pi
so 2pi/pi

Answer 10

@ganeshie8 any chance you could help her out? :D