For the following questions use f(x) = 2x + 5
Solve f(x) = 11

Acoin bank containing only dimes and quarters has 12 more dimes than quarters. the total value of the coins is $11. how many quarters and dimes are in the coin bank?

Erinn wrote the equation –5x + 4y = 32 to represent her hourly wage (y) and how this wage has changed during each year that she worked at a company (x). what is the rate of change in erinn's hourly wage per year?

Find the condition that the zeros of the polynomial f(x) = x^3+3px^2+3px+r may be in a. p.