A salesman earns a base salary plus a percentage of sales. The following table shows the income I, in dollars, of a salesman who has sales of d dollars. Round your answers to two decimal places, if necessary.
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d $2500 $3091 $3682 $4273 I $1515.36 $1562.64 $1609.92 $1657.2?
A: Complete a table of changes to show that the data are linear.B: Find a linear model for the data.C: Explain in practical terms the meaning of the linear function in part B. Your answer should be stated in terms of base salary plus percentage of sales.
What will be an ideal response?
| Change in d | From 2500 to 3091 | From 3091 to 3682 | From 3682 to 4273 |
| Change in I | 47.28 | 47.28 | 47.28 |
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B: 
C: The salesman earns a base salary of $1315.36 plus 8% of sales.
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. Determine the color of the graph that corresponds to 
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Select the correct answer.
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A. Blue
B. Red