Analyze the function for domain, range, continuity, symmetry, boundedness, extrema, and asymptotes. f(x)=-2cotx

Solve the system of equations. y= 2x y= x^2 - 15

Trish receives $450 on the first of each month. josh receives $450 on the last day of each month. both trish and josh will receive payments for next four years. at a discount rate of 9.5 percent, what is the difference in the present value of these two sets of payments?

Name each raycalculation tip: in ray "ab", a is the endpoint of the ray.