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Difference between revisions of "2003 AMC 12B Problems/Problem 6"
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Since <math>f</math> is a linear function with slope <math>m</math>,
 
  
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<cmath>m = \frac{f(6) - f(2)}{\Delta x} = \frac{12}{6 - 2} = 3</cmath>
 
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<cmath>f(12) - f(2) = m \Delta x = 4(12 - 2) = 30 \Rightarrow \text (D)</cmath>
 

Revision as of 19:35, 1 November 2012

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