Can y’all please help me with this

What is f(3) for the quadratic function f(x)= 2x^2+ + x - 12

On a piece of paper, graph y< x+1. then determine which answer matches the graph you drew.

Rob spent 25%, percent more time on his research project than he had planned. he spent an extra h hours on the project. which of the following expressions could represent the number of hours rob actually spent on the project? two answers