Mathematics 10c Unit 5 Student Worksheets With Answer Key Page 15
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48Linear Functions
LESSON TWO - Slope-Intercept Form
y = mx + b
Lesson Notes
Example 4
John is a salesman earning $800 per week plus a 9% commission.
a) Write an equation for John’s earnings as a function of sales. Graph the function.
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b) If John sells $2500 worth of product in a week, what does he earn?
c) How much did John sell if he earned $1016 in a week?
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