How many periods of the function y=sec x are there between -pi and 3pi/2?

Given the equation f(x)=a(b)x where the initial value is 40 and the growth rate is 20% what is f(4)

There is an entrance to the computer room at point e which lies on ab and is 5 feet from point a. plot point e on the coordinate plane. find the distance from the entrance at point e to the printer at point e

Select the conic section that represents the equation. 3x2 + 3y2 -2x + 4 = 0