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Linear Functions

SAT Math· difficulty 4/5

Tickets at \15eachdraw200fans.Eacheach draw 200 fans. Each$1pricedropadds20fans.Revenueprice drop adds 20 fans. RevenueRatpriceat pricep$:

  • A

    R=200p+20R = 200p + 20

  • B

    R=200(p−15)R = 200(p - 15)

  • C

    R=p[200+20(15−p)]R = p[200 + 20(15 - p)]

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  • D

    R=(200+20p)(15−p)R = (200 + 20p)(15 - p)

Explanation

Attendance =200+20(15−p)= 200 + 20(15 - p); revenue =p⋅= p \cdot attendance.

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