Question

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.

Answer 1

1) is not linear it has a multiplic rate of change

2) is linear because it starts at 7.00 which is the y intercept and it adds .50 each time. The equation can be shown as Y=$.50x +$7.00

X/Y

0, 7

1, 7.5

2, 8

3, 8.5