Multiple Choice Identify the
choice that best completes the statement or answers the question.



For the following questions, the area A(x) in square feet of the window
shown in the figure is given by .


1.

What does represent?
a.  the height of the window when the width is 5 ft  b.  the width of the
window when the height is 5 ft  c.  the area of the window when the height is 5
ft  d.  the area of the window when the width is 5 ft 


2.

What is the area of the window if the width is 4 feet?


3.

What is the zero of ?
a.  5  b.  2  c.   d.  


4.

How do you use the graph of a function to find ?
a.  Find the ordinate when .  b.  Find the xintercept nearest .  c.  Find the slope when .  d.  Find the xvalue when . 


5.

Wilson purchased a computer for $1,600. It will depreciate $200 per year. Which
equation gives the value of Wilson’s computer after x years.


6.

The function gives the number of pounds equivalent to k
kilograms. Which table gives ordered pars of this function?


7.

If , what is ?


8.

The figure shows the graph of . Which is true?


9.

If , what is ?
