After Theo used the motion detector, he used his distance-time graph to determine the following properties of his motion. However, he has lost a copy of his graph. Help him re-create a possible graph of his motion. 1-155. Details: S. His average velocity was 0.5 feet per second. He turned around twice. He started while standing 3 feet from the motion detector and began to walk away from it at t = 0.

The average weekly savings of David and Andrew is $22. If David's and Edward's average weekly saving is $25, how much less does Andrew save than Edward?

A taxicab company charges $4 for a trip up to 1 mile, and $2 for every extra mile ( or portion of a mile). Find the cost to ride 11 1/2  miles.

The distance to the nearest exit door is no more than 150 feet. Use d to represent the distance (in feet) to the nearest exit door. To get the 10% discount, a shopper must spend more than $500. Used to represent the spending (in dollars) of a shopper who gets the discount.