The function Y = a cos (x) + b has a range of 3.5 ≤ y ≤ 7.5. Write a function that matches this description in the box below.

Jack lives on a farm and has a large backyard. the area of his rectangular backyard is of a square mile. if the width of the yard is of a mile, what fraction of a mile is the length of the rectangular backyard?

What is the slope of the line? a. -5/2 b.2/5 c. 5/2 d.7/2

Mr. chen is parking in a lot downtown. the graph shows the relationship between the time and the total cost of parking. evaluate the function for input of 10.