260 students is the prediction for how many sweatshirts will be sold so no they will not sell all of them
Equate whats inside (arguments)
with base period of sine function
and solve for x to get period,

So the period of the graph of the given function is precisely 2.
Hope this helps :)
is there a picture to help me underdtsnd what we are trying to do with the questionAnswer:
Step-by-step explanation:
325 + 225 + 79 = 629
629 - 438 = $191
= A. $191