Solve for y* w + py = e

How do you use the additive inverse to evaluate an expression that uses subtraction in a full sentence

An advertising firm has an old computer that can prepare a whole mailing in 6 hours. with the of newer model the job is complete in 2 hours. how long would it take the newer model to do the job alone?

Which graph corresponds to the function f(x) = x2 + 4x – 1?