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Linear Functions

SAT Math· difficulty 3/5

A linear function ff has table values f(2)=3f(2) = 3 and f(6)=−5f(6) = -5. What is f(0)f(0)?

  • A

    77

    check_circle
  • B

    55

  • C

    33

  • D

    99

Explanation

Slope =−8/4=−2= -8/4 = -2. f(2)=−4+b=3⇒b=7f(2) = -4 + b = 3 \Rightarrow b = 7. f(0)=7f(0) = 7.

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