What is f(-3) for the function f(a)=-2a2-5a+4?

Find the constant of variation for the relation and use it to write an equation for the statement. then solve the equation.

Wich statement could be used to explain why the function h(x)= x^3 has an inverse relation that is also a function

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.