Which of the following equations represent an exponential decay? Select all that apply F(x) = 1/x

F(x) = (1/4)^x

F(x) = (2)^x

F(x) = x^2

Acircular city park has a sidewalk directly through the middle that is 111 - feet long. if each bag of fertilizer covers 50 square feet, then determine how many bags of fertilizers the parks and recreation department needs to use to cover the circular park. ignore all the sidewalks around and through the park.

Li buys supplies so he can make and sell key chains. he begins to make a profit only after he sells 4 key chains. what point on the graph makes the most sense in this situation?

Select the number of ways in which a line and a circle can intersect