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C P M S e c t i o n 2 . 3

C P M S e c t i o n 2 . 3. Remember this ……………. Y= mx+b. rate. constant. b. m. Emilio earns a salary of $150 per week for selling computer games magazines by phone. He receives $.30 for each magazine over 50 that he sells. Write the equation that represents his total salary for any week.

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C P M S e c t i o n 2 . 3

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  1. CPMSection2.3

  2. Remember this …………… Y=mx+b rate constant

  3. b m Emilio earns a salary of $150 per week for selling computer games magazines by phone. He receives $.30 for each magazine over 50 that he sells. Write the equation that represents his total salary for any week but What is the normal domain? What is the problem domain?

  4. b • Whoknows Auto Shop has a standard $12 shop charge for every job it takes. In addition, the mechanic working on the job charges $20 per hour. Write an equation that represents the total charge for a repair. Find the total charge for a repair requiring 4.5 hours of labor. m

  5. Monique’s Fine Fashions allows its customers to charge their purchases on a delayed payment plan. When the customer receives a bill from Monique’s, there is a $5 charge for using the delayed payment plan plus 2% interest on the purchase. Write an equation that represents the total amount for a purchase that is financed. b You must also include the price of merchandise that is being purchased. Lets call it X. What is the normal domain? What is the problem domain?

  6. Alex works at CDS”RUS”. For a full week of work, Alex makes a salary of $200. On top of his salary, Alex gets paid $.75 for each CD sold after 20. Write an equation representing Alex’s weekly income. What is the constant What is the rate Now, lets consider the constraint

  7. Bobby went to the county fair. The cost to get into the fair was $9, but that included 5 free rides. Every ride after that cost $1.50. Write an equation that represents the money spent by Bobby based on the number of rides that Bobby was on. What is the Problem Domain?

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