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30 votes
30 votes
HELPP my teacher wants me to graph this on the ti inspire calculator but I DONT KNOW HOWW the answer is already there but I need someone who knows how to graph this pleaseeee!!!!!!

HELPP my teacher wants me to graph this on the ti inspire calculator but I DONT KNOW-example-1
User Borrel
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2.9k points

1 Answer

22 votes
22 votes

From the graph, you can see that there are two lines, the red line which is for the expanses and the blue line which is for the income.

The fashion designer break even at a point where her income is equal to the expanses and this will be the point of intersection of both lines on the graph.

The point of intersection from the graph is at (100, 1250) that is;

x = 100

y = 1250

Since the number of hats are values that lies on the x axis, hence the fashion designer must sell 100 hats for her to break even

User Mike Poole
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3.2k points