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saveliy_v [14]
3 years ago
15

Callie sells cookies each Friday at a local farmers market. The graph below represents the amount of money Callie has earned fro

m cookie sales so far this season. what is the rate of change? what does the rate of change represent in the context of this situation?

Mathematics
1 answer:
Mazyrski [523]3 years ago
8 0

Answer:

a) The rate of change is 3.5

b) The rate of change represents the price of a single cookie. $3.5

Step-by-step explanation:

a) To determine the rate of change along the graph, select a pair on the graph as;

(2,7)  and (8,28)

Rate of change, m= change in y/change in x

m=28-7/8-2 = 21/6 =7/2 = 3.5

b)

The equation of the relationship can be written as;

y=3.5 x + 0  where y is the amount collected and x is the number of cookies sold.

The slope here represents the price per cookie in $, $3.5

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