Linear Functions

SAT Math· difficulty 2/5

A taxi fare is F=2.50d+3F = 2.50d + 3 where dd is miles. What is the meaning of 33?

  • A

    Total fare

  • B

    Number of miles

  • C

    Cost per mile

  • D

    Initial flat fee

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Explanation

The y-intercept 33 is the fare when d=0d = 0 — the starting flat fee.

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