Given that a function hits the following points: (0,40), (5,25), (10,10), (15,25), (20,40). Draw a graph and show your work to come up with an equation: y=___cos (pi/___) (x-___ ) +___

Need ! the total ticket sales for a high school basketball game were $2,260. the ticket price for students were $2.25 less than the adult ticket price. the number of adult tickets sold was 230, and the number of student tickets sold was 180. what was the price of an adult ticket?

What is the point of inflection for the function f(x)=2cos4x on the interval (0, pi/2)

Zach spent 2/3 hour reading on friday a 11/3 hlurs reading on saturday. how much more time did he read on saturday tha on friday