Difference between revisions of "2003 AMC 12B Problems/Problem 9"
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− | == Problem | + | == Problem == |
Let <math>f</math> be a linear function for which <math>f(6) - f(2) = 12.</math> What is <math>f(12) - f(2)?</math> | Let <math>f</math> be a linear function for which <math>f(6) - f(2) = 12.</math> What is <math>f(12) - f(2)?</math> | ||
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</math> | </math> | ||
− | + | ==Solution== | |
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− | |||
Since <math>f</math> is a linear function with slope <math>m</math>, | Since <math>f</math> is a linear function with slope <math>m</math>, | ||
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<cmath>f(12) - f(2) = m \Delta x = 4(12 - 2) = 30 \Rightarrow \text (D)</cmath> | <cmath>f(12) - f(2) = m \Delta x = 4(12 - 2) = 30 \Rightarrow \text (D)</cmath> | ||
+ | |||
+ | ==See Also== | ||
+ | {{AMC12 box|year=2003|ab=B|num-b=8|num-a=10}} | ||
{{MAA Notice}} | {{MAA Notice}} |
Revision as of 23:37, 4 January 2014
Problem
Let be a linear function for which What is
Solution
Since is a linear function with slope ,
See Also
2003 AMC 12B (Problems • Answer Key • Resources) | |
Preceded by Problem 8 |
Followed by Problem 10 |
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All AMC 12 Problems and Solutions |
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