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Chapter 2 Post Test



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

 1. 

Find the slope of the line passing through the given pair of points.

(0, 5), (6, 0)
a.
    mc001-1.jpg mc001-2.jpgmc001-3.jpg
d.
mc001-10.jpgmc001-11.jpg mc001-12.jpg
b.
mc001-4.jpgmc001-5.jpg mc001-6.jpg
e.
mc001-13.jpgmc001-14.jpgmc001-15.jpg
c.
  mc001-7.jpgmc001-8.jpgmc001-9.jpg
 

 2. 

Use the intercept form to find the equation of the line with the given intercepts. The intercept form of the equation of a line with intercepts mc002-1.jpg and mc002-2.jpg is

mc002-3.jpg

x-intercept: mc002-4.jpg
y-intercept: mc002-5.jpg
a.
mc002-6.jpg
b.
mc002-7.jpg
c.
mc002-8.jpg
d.
mc002-9.jpg
e.
mc002-10.jpg
 

 3. 

A sub shop purchases a used pizza oven for $895. After 5 years, the oven will have to be
replaced. Select the linear equation giving the value V of the equipment during the 5 years it will be in use.
a.
mc003-1.jpg
b.
mc003-2.jpg
c.
mc003-3.jpg
d.
mc003-4.jpg
e.
mc003-5.jpg
 

 4. 

Find all real values of x such that mc004-1.jpg.

mc004-2.jpg
a.
x = mc004-3.jpg
b.
x = mc004-4.jpg
c.
x = mc004-5.jpg
d.
x = mc004-6.jpg
e.
x = mc004-7.jpg
 

 5. 

Find the domain of the function.

mc005-1.jpg
a.
Non-negative real numbers x
b.
All real numbers x
c.
All real numbers x such that mc005-2.jpg
d.
Non-negative real numbers x except mc005-3.jpg
e.
All real numbers x such that mc005-4.jpg
 

 6. 

Assume that the domain of f is the set mc006-1.jpg. Determine the set of ordered pairs that represents the function f.

mc006-2.jpg
a.
mc006-3.jpg
b.
mc006-4.jpg
c.
mc006-5.jpg
d.
mc006-6.jpg
e.
mc006-7.jpg
 

 7. 

Evaluate the function at the specified value of the independent variable and simplify.
mc007-1.jpg
mc007-2.jpg
a.
mc007-3.jpg = 1.8
b.
mc007-4.jpg
c.
mc007-5.jpg
d.
mc007-6.jpg
e.
mc007-7.jpg = –10.2
 

 8. 

Find the zeros of the function algebraically.

mc008-1.jpg
a.
mc008-2.jpg
b.
mc008-3.jpg
c.
mc008-4.jpg
d.
mc008-5.jpg
e.
mc008-6.jpg
 

 9. 

An object is thrown upward from ground level at a velocity of 50 feet per second.
Use the position equation mc009-1.jpg to select a function that represents the situation and select the graph of the function.
a.
mc009-2.jpg

mc009-3.jpg
d.
mc009-8.jpg

mc009-9.jpg
b.
mc009-4.jpg

mc009-5.jpg
e.
mc009-10.jpg

mc009-11.jpg
c.
mc009-6.jpg

mc009-7.jpg
 

 10. 

Select the linear function such that it has the indicated function values.

mc010-1.jpg
a.
mc010-2.jpg
b.
mc010-3.jpg
c.
mc010-4.jpg
d.
mc010-5.jpg
e.
mc010-6.jpg
 

 11. 

A mechanic is paid $mc011-1.jpg.00 per hour for regular time and time-and-a-half  for overtime. The
weekly wage function is given by

mc011-2.jpg

where mc011-3.jpg is the number of hours worked in a week.

Evaluate mc011-4.jpg.
a.
mc011-5.jpg
b.
mc011-6.jpg
c.
mc011-7.jpg
d.
mc011-8.jpg
e.
mc011-9.jpg
 

 12. 

For following function, select (on the same set of coordinate axes) a graph for mc012-1.jpg.

mc012-2.jpg
a.

mc012-3.jpg
d.

mc012-6.jpg
b.

mc012-4.jpg
e.

mc012-7.jpg
c.

mc012-5.jpg
 

 13. 

Use the given graph of f to select the graph for the following function.

mc013-1.jpg

mc013-2.jpg
a.

mc013-3.jpg
d.

mc013-6.jpg
b.

mc013-4.jpg
e.

mc013-7.jpg
c.

mc013-5.jpg
 

 14. 

The parent function mc014-1.jpg is related to mc014-2.jpg. Use function notation to select mc014-3.jpg in terms of mc014-4.jpg.

mc014-5.jpg
a.
mc014-6.jpg
b.
mc014-7.jpg
c.
mc014-8.jpg
d.
mc014-9.jpg
e.
mc014-10.jpg
 

 15. 

Find mc015-1.jpgand the domain of the composite function.

mc015-2.jpgmc015-3.jpg
a.
mc015-4.jpg
Domain of fog: all real numbers x
b.
mc015-5.jpg
Domain of fog: all real numbers x
c.
mc015-6.jpg
Domain of fog: all real numbers x
d.
mc015-7.jpg
Domain of fog: all real numbers x
e.
mc015-8.jpg
Domain of fog: all real numbers x
 

 16. 

The number of people playing tennis T (in millions) in the United States from 2000 through 2007 can be approximated by the function

mc016-1.jpg

and the U.S. population P (in millions) from 2000 through 2007 can be approximated by the function mc016-2.jpg where t represents the year, with  mc016-3.jpg corresponding to 2000.
Evaluate the function mc016-4.jpg for t = 0 and 3.
a.
mc016-5.jpg 0.102, mc016-6.jpg 0.2679
b.
mc016-7.jpg 0.302, mc016-8.jpg 0.4679
c.
mc016-9.jpg 0.202, mc016-10.jpg 0.3679
d.
mc016-11.jpg 0.3679, mc016-12.jpg 0.202
e.
mc016-13.jpg0.102, mc016-14.jpg0.2679
 

 17. 

Find mc017-1.jpg.
mc017-2.jpg          mc017-3.jpg
a.
mc017-4.jpg
b.
mc017-5.jpg
c.
mc017-6.jpg
d.
mc017-7.jpg
e.
mc017-8.jpg
 

 18. 

Select the correct graph, showing f and g are inverse functions.

mc018-1.jpg
a.

mc018-2.jpg
d.

mc018-5.jpg
b.

mc018-3.jpg
e.

mc018-6.jpg
c.

mc018-4.jpg
 

 19. 

Select the graph of mc019-1.jpg and mc019-2.jpg on the same set of coordinate axes.

  mc019-3.jpg
a.

mc019-4.jpg
d.

mc019-7.jpg
b.

mc019-5.jpg
e.

mc019-8.jpg
c.

mc019-6.jpg
 

 20. 

Use the graph of the function f to create a table of values for the given points. Then create a
second table that can be used to find mc020-1.jpg.

mc020-2.jpg
a.
mc020-3.jpg

mc020-4.jpg
b.
mc020-5.jpg

mc020-6.jpg
c.
mc020-7.jpg

mc020-8.jpg
d.
mc020-9.jpg

mc020-10.jpg
e.
mc020-11.jpg

mc020-12.jpg
 



 
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