A small college has 1440 students and 80 faculty members. Which ratio best represents the relationship between the number of students and the number of faculty members?

Use the function f(x) is graphed below. the graph of the function to find, f(6). -2 -1 1 2

How can you tell when x and y are not directly proportional?

Use the method of cylindrical shells to find the volume v generated by rotating the region bounded by the curves about the given axis.y = 7ex, y = 7e^-x, x = 1; about the y-axis