AP CALCULUS BC                                       Test Booklet
Introduction to Related Rates Quiz
1.   A right triangle has base meters and height meters, where is constant and changes with respect to time ,
     measured in seconds. The angle , measured in radians, is defined by             . Which of the following best
     describes the relationship between  , the rate of change of with respect to time, and    , the rate of change of
     with respect to time?
      (A)                        radians per second
      (B)                        radians per second
      (C)                          radians per second
      (D)                          radians per second
2.   In a certain factory, assume that the number of workers is constant. The number of minutes    that it takes to make
     a single unit of a product and the number of units of the product that are made per day satisfy the relationship
               , where is a constant. Which of the following best describes the relationship between the rate of change,
     with respect to time , of and the rate of change, with respect to time , of      ?
      (A)
      (B)
      (C)
      (D)
3.   Let and be functions of time such that the sum of and twice is constant. Which of the following equations
     describes the relationship between the rate of change of with respect to time and the rate of change of with
     respect to time?
      (A)
      (B)
      (C)
      (D)                    , where    is a function of
4.   A right triangle has base feet and height feet, where is constant and changes with respect to time ,
     measured in seconds. The angle , measured in radians, is defined by              . Which of the following best
     describes the relationship between   , the rate of change of with respect to time, and    , the rate of change of
     with respect to time?
      (A)                        radians per second
      (B)                        radians per second
      (C)                         radians per second
      (D)                         radians per second
                                                                                         AP Calculus BC       Page 1 of 2
                                                                                                                    Test Booklet
Introduction to Related Rates Quiz
5.    Boyle’s law states that if the temperature of an ideal gas is held constant, then the pressure of the gas and its
      volume satisfy the relationship             , where is a constant. Which of the following best describes the
      relationship between the rate of change, with respect to time , of the pressure and the rate of change, with respect to
      time , of the volume?
       (A)
       (B)
       (C)
       (D)
6.    Let and be functions of time such that the sum of and is constant. Which of the following equations
      describes the relationship between the rate of change of with respect to time and the rate of change of with
      respect to time?
       (A)
       (B)
       (C)                     , where    is a function of
       (D)                   , where     is a function of
Page 2 of 2        AP Calculus BC