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Linear Functions

SAT Math· difficulty 4/5

A linear model fits T=1.8C+32T = 1.8C + 32 where TT is Fahrenheit, CC is Celsius. The 1.81.8 represents:

  • A

    Conversion offset

  • B

    Freezing point

  • C

    Degrees F per degree C

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  • D

    Degrees C per degree F

Explanation

Slope is ΔT/ΔC\Delta T/\Delta C: each 1∘1^\circC increase →1.8∘\to 1.8^\circF increase.

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