Is this a function or not a function? (Picture)

Create a data set with 8 points in it that has a mean of approximately 10 and a standard deviation of approximately 1.

What is the frequency of the sinusoidal graph?

Sherrie is baking a pie for her family. she leaves the room and comes back to 35% of the pie having been eaten before she can put the topping on. how much 1 square inch strips of dough will she need for the top, now that a portion is missing? round your answer to the nearest while nimber.