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Unformatted text preview: (a) (2 Points) a ( x ) = ln p x x + 1 P . (b) (2 Points) b ( x ) = cos( x 2 ) ln( x + 2) . (c) (2 Points) c ( x ) = e tan1 ( x ) . (d) (2 Points) d ( x ) = sec 2 ( x ln( x )) . (e) (2 Points) e ( x ) = x 2 tan( x ) . 1 2 INSTRUCTOR: JOS ´ E MANUEL G ´ OMEZ (5) (5 Points) A scientist wants to study a certain kind of radioactive isotope present in a fossil. Let P ( t ) denote the amount (in grams) of this isotope present in the fossil tyears after its discovery. It is known that when the rock was discovered the fossil had 2000 grams of this isotope and that the half life of this isotope is 150 years. (a) (3 Points) Find an equation for P ( t ). (b) (2 Points) Find P ′ ( t )....
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This note was uploaded on 01/20/2012 for the course CALC AS.110.106 taught by Professor Josegomez during the Fall '11 term at Johns Hopkins.
 Fall '11
 JoseGomez
 Calculus

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