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Unformatted text preview: Name −2 Homework 3
Section 2.3 1. (8) Find the derivative of the function f (x) =
using a dierence quotient.
(x + 1)2
Hint: leave the denominator in factored form. 2. (6) Use the graph of f (x) given to answer the questions below. (a) On what interval(s) is f (x) positive? (b) At which marked xvalue(s) is f (x) greatest? (c) At which marked xvalue(s) is f (x) least? (d) At which marked xvalue(s) is f (x) zero? 3. (6) Use the graph of g (x) given to answer the questions below. (a) On what interval(s) is g (x) increasing? (b) At which marked xvalue(s) is g (x) greatest? (c) At which marked xvalue(s) is g (x) decreasing the fastest? (d) At which marked xvalue(s) is g (x) changing from decreasing to increasing? ...
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 Spring '08
 KENNEDY
 Derivative, xvalue

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