3. Given the following total revenue functions, find the corresponding demand functions: a) TR = 50Q-4Q²
b) TR = 10

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

Complete the solution of the equation. find the value of y when x equals -5. -4x - 8y = -52

Dean and karlene get paid to write songs. dean is paid a one-time fee of $20 plus $80 per day. karlene is paid a one-time fee of $25 plus $100 per day. write an expression to represent how much a producer will pay to hire both to work the same number of days on a song.