At the office supply store, Samantha bought 5 notebooks and 2 pens for $6. find the price of a notebook and the price of the pen​

What are the following algebraic equations. you need to post those if you want the answer

Period is the time it takes for one “cycle” to complete. in the parent sine function, period is 2*pi since sin(0) = 0, sin(pi/2) = 1, sin(pi) = 0, sin(3pi/2) = -1, and sin(2pi) = 0. at that point, the sequence repeats itself. i’m not sure if your graph is similar to the sine function since you didn’t provide a picture, but you can find the period by looking at a graph.