Math141Quiz1BS11

Math141Quiz1BS11 - Math 141 Name: _ QUIZ 1B (CHAPTER 1)...

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Math 141 Name: ________________________ QUIZ 1B (CHAPTER 1) MATH 141 – SPRING 2011 – KUNIYUKI 60 POINTS TOTAL No notes or books allowed. A scientific calculator is allowed. You may assume that two-dimensional graphs are in the usual Cartesian xy -plane. Give exact answers, unless you are told to approximate. SHORTER PROBLEMS (42 POINTS TOTAL) 1) (6 points). Write the domain of f , where fx () = x + 2 x ± 3 , using interval form, the form using parentheses and/or brackets. 2) (5 points). Find and box in the x -intercept(s) (if any) of the graph of y = 2 x 2 ± 5 x + 3 x ± 1 . If there are none, write “NONE.”
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3) (6 points total). For parts a) and b), assume that the domains of f and g are both ± , and box in the appropriate answers. a) If fx () = x 5 ± 2 x , then f is … even odd neither b) If gt = t 2/3 + 5 , then g is … even odd neither
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4) Match the equations with their corresponding graphs by writing the appropriate letters in the blanks. The x - and y -axes are not necessarily scaled the same way. (6 points total) The graph of y = 1 x is Graph ____ .
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This note was uploaded on 09/08/2011 for the course MATH 141 taught by Professor Staff during the Fall '11 term at Mesa CC.

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Math141Quiz1BS11 - Math 141 Name: _ QUIZ 1B (CHAPTER 1)...

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