Y=-16x^2+9x+4.
Is the function linear or nonlinear?

[10 points, algebra 2]according to my answer key the restrictions are -1 and 4. but why not positive 1?

Val and tony get paid per project. val is paid a project fee of $44 plus $12 per hour. tony is paid a project fee of $35 plus $15 per hour. write an expression to represent how much a company will pay to hire both to work the same number of hours on a project.

(x-5)1/2+5=2 what is possible solution of this equation