The table of values here represents a linear function and shows the amount of money in a tip jar at a dry cleaners since the dry cleaners opened for the day. How much was in the tip jar when the dry cleaners opened? Amount of Money in a Tip Jar at a Dry Cleaners Number of Hours Since Dry Cleaners Opened 4 5 6 7 8 Amount of Money in Tip Jar dollars 15 point 5 0 18 point 2 5 21 point 0 0 23 point 7 5 26 point 5 0
The amount increases by $2.75 each hour, since $18.25 − $15.50 = $2.75. Four hours before the 4-hour value, the jar had $15.50 − 4($2.75) = $4.50. So the amount when the cleaners opened was $4.50, choice C.
AI-written and checked against the verified answer.