Answer:
Function 2 shows a greater rate of change, because Richard spends $6 each month and Celina spends $2 each month.
Answer:
80%
Step-by-step explanation:
Percent increase is calculated as
× 100%
Increase = $27 - $15 = $12 , then
percent increase =
× 100% = 0.8 × 100% = 80%
Answer:

Step-by-step explanation:
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1 line, because it’s between 2 points