Answer:
1 - 3 (1 quarter is 25 and a dime is 10, so, 3.)
4 - 10
6 - 15
14 - 33
Step-by-step explanation:
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Do 4.25 divided by 16 witch equals 0.2656625 but you have to round it to 0.27/oz. do 4.55 divided by 20 witch is 0.2275 but you have to round to 0.23/oz now witch is better 0.27 or 0.23 so a 4.55 dollars for a20 oz drink is the better buy
A graph shows ...
... absolute minimum: 5, at x=-1 and x=1
... absolute maximum: 8, at x=2