Practice exam 2 (white)

# Practice exam 2 (white) - MATH 115 Fall 07 EXAM II -White...

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MATH 115 Fall 07 EXAM II -White PAGE 1 The following 14 multiple choice questions are worth 5 points each. 1. Let ( 29 3 f x x = - and ( 29 2 g x x = + . Determine ( 29 ( 29 f g x x . a. ( 29 ( 29 1 f g x x = - b. ( 29 ( 29 2 6 f g x x x = - - c. ( 29 ( 29 2 6 f g x x x = + - d. ( 29 ( 29 2 6 f g x x x = + - e. ( 29 2 6 f g x x = - - 2. Use the tables provided for f and g to determine which of the following statement(s) is/are true. ( 29 x f x ( 29 x g x 1 4 1 2 2 3 2 3 3 1 3 4 4 2 4 5 I. ( 29 2 1 f g = II. ( 29 1 4 3 g f - = a. I only is true c. Both are true b. II only is true d. Neither are true

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MATH 115 EXAM II-White PAGE 2 3. Let ( 29 2 f x x = + and ( 29 2 3 4 g x x = - . Determine ( 29 ( 29 g f x o . a. 2 3 18 34 x x + + b. 2 3 2 x - c. 2 3 2 2 x x + - d. 2 3 12 8 x x + + e. 2 3 12 2 x x + - 4. Let ( 29 2 1 2 7 h x x = - . Determine two functions f and g such that ( 29 ( 29 ( 29 f g x h x = o . a. ( 29 ( 29 2 1 ; 2 7 g x f x x x = = - b. ( 29 ( 29 2 1 7 ; 2 g x x f x x = - = c. ( 29 ( 29 2 1 2 7; g x x f x x = - = d. ( 29 ( 29 2 1 2 7; g x x f x x = - = e. ( 29 ( 29 2 1 ; 2 7 g x f x x x = = -
MATH 115 EXAM II-White PAGE 3 5. Determine which of the following statements is true. a. If ( 29 5 4 f = and ( 29 1 5 g = , then ( 29 ( 29 1 20 f g = o . b. The graph of 1 f - is the reflection of the graph of f across the y- axis. c. A function f is one-to-one if it passes the Vertical Line Test. d. The inverse of the function defined by the ordered pairs

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## This note was uploaded on 04/12/2008 for the course MATH 115 taught by Professor Rossi during the Spring '08 term at University of Delaware.

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Practice exam 2 (white) - MATH 115 Fall 07 EXAM II -White...

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