1.   If f(x) = [2x - 1], find f(5.4).
    A. 9.8 B. 8
    C. 10 D. 9
    Hint

  2.   If g(x) = |x + 3|, find g(-7).
    A. 4 B. -4
    C. -7 D. 10
    Hint

  3.   Identify h(x) = [x] + 4.
    A. constant function
    B. direct variation function
    C. greatest integer function
    D. absolute value function
    Hint

  4.   Which equation describes graph A?
   
    A. y = | x - 1 | B. y = 2.25x - 1
    C. y = 2.25| x | - 1 D. y = | 2.25x |
    Hint

  5.   What type of function is shown in the graph?
   
    A. piecewise function B. step function
    C. absolute value function D. constant function
    Hint



Glencoe
The McGraw-Hill Companies