Which of the following functions represent exponential decay? Y=2x y=-2x y=

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.

Graph the equation by plotting point x=2

Write an equation in point-slope form for the line through the given point that has the given slope (-2,-7); m=-3/2