Directions : which solution is linear and which solution is nonlinear. for linear solutions you will need to write a function that models it and then write one ordered pair and explain its meaning in the context of the solution. 1.) alex is biking down a hill. he starts at 2mph. for each second he rides down the hill his speed doubles. 2.) carlie is getting a book printed. it costs $7 plus $0.50 for each page added.