1.   Determine if the function is periodic. If so, state the period.
   
    A. yes; 2 B. no
    C. yes; 4 D. yes; 1
    Hint

  2.   Determine if the function is periodic. If so, state the period.
   
    A. yes; 2 B. yes; 1
    C. no D. yes; 4
    Hint

  3.   Which is not a true statement about the properties of the graph of
y = sin x?
    A. The y-intercept is 0. B. The period is .
    C. The range is the set of real numbers between -1 and 1, inclusive. D. The domain is the set of real numbers
    Hint

  4.   Find sin 5 by referring to the graph of the sine function.
   
    A. B. 0
    C. -1 D. 1
    Hint

  5.   Which is not a true statement about the properties of the graph of
y = cos x?
    A. The x-intercepts are located at , where n is an integer.
    B. The maximum values are y = 1 and occur when , where n is an integer.
    C. The y-intercept is 1.
    D. The period is 2.
    Hint