150quiz3 - September 22, 2004 Find the limit, if it exists....

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Unformatted text preview: September 22, 2004 Find the limit, if it exists. 3x 3 − x + 1 1. lim 3 x →∞ 6 x + 2 x 2 − 7 Math 150 - Quiz 3 Name__________________ Find all numbers at which f is discontinuous. x−4 f ( x) = 2 2. x − x − 12 3. Use the definition of derivative to find f ′( x ) if f ( x ) = 5 x 2 . 4. Use the power rule to find f ′( x ) if f ( x ) = x , then find an equation of the line tangent to the graph of f at (1, 1). ...
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