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Unformatted text preview: graph models the catﬁsh population in the campus pond. 7. (8 pts) Use the given information to sketch the graph of f . Assume that f is continuous on its domain and that all intercepts are included in the given information. Domain: R . Points: x42 2 4 f ( x )22 x42 2 4 Sign Chart: f ( x ) – – – – – – – 0 + + + + ND– – – – 0 + + + + + + + f 00 ( x ) – – 0 + + + + + + + + + 0 + + + + + + + + + 0 – – 8. (20 pts) Diﬀerentiate the following functions. Do not simplify your answers. (a) s = ln[ t 3 ( t 21)] (b) y = 1 + ln x x 2 (c) y = 2 e ( x 2 +1) 3 (d) y = e 2 x 2 ln(4 x ) 9. (a) (8 pts) Find the elasticity of the demand function q = 492 pp 2 when p = $6. (b) How will a price increase aﬀect total revenue? Bonus: 5 points What is the formula that gives us the relationship between the change in revenue with respect to price and elasticity?...
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This note was uploaded on 10/20/2010 for the course MATH 201 taught by Professor Smith during the Fall '08 term at Washington State University .
 Fall '08
 SMITH
 Math

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