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Unformatted text preview: 3 = + y x ? Sum and Difference Rules Sum Rule Suppose ) ( x f ′ and ) ( x g ′ exist. Then if ) ( ) ( ) ( x g x f x G + = , then ) ( x G ′ exists and ) ( ) ( ) ( x g x f x G ′ + ′ = ′ or . Difference Rule [ ] ) ( ) ( ) ( ) ( x g dx d x f dx d x g x f dx d=[ ] ) ( ) ( ) ( ) ( x g dx d x f dx d x g x f dx d + = + Ex . If 1 ) ( 2 3 4 ++= x x x x x f , find the equation of the tangent to the graph of f at the point (1, 1). Ex . Find the equation of the tangent line to x x y 3 7= at (1, 4). Assign: p.198#13, 59, 1114, 3335, Worksheet on Derivatives...
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This note was uploaded on 07/12/2011 for the course MATH 241 taught by Professor Kim during the Fall '08 term at University of Illinois, Urbana Champaign.
 Fall '08
 Kim
 Calculus

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