Math 151-01                                                                                         Name  KEY

Quiz 1

Show enough work to justify your answer.

    1.  Let MATH
     
      (a)  Find $f(4).$
      MATH

      (b)  Find MATH and simplify your answer as much as possible.
      MATH
       

    2.  Let $f(x)$ and $g(x)$ be given by the graphs below.
    MATH
      (a)  Estimate $f+g(-1)$.
      MATH

      (b)  Estimate $f\circ g(0).$
      MATH
       

    3.  Graph each of the following functions on a set of axes. Then state the domain and range of each function. (Points will be deducted if I cannot clearly and easily read your graph.)
     
      (a) MATH
      MATH
                  Domain is the set of all real numbers         Domain is the set of all real number except 0
                  Range is the set [-1,5]                                  Range is (-  , 0)  (1 , )
                 4.  Express the area, $a,$ of a square as a function of the square's perimeter, $p$.
    MATH

 
 
 
 

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