Your Algebra Homework Can Now Be Easier Than Ever!

Math 112 College Algebra I

• Show all work to receive credit for each of the problems.
• Incorrect answers with incorrect work shown or no work shown will NOT receive any credit.
Circle your answers and when appropriate label them.
• Give answers to written questions in complete sentences.

1. (2 pts each) For each statement be low fill in the blank with the correct answer.

a. If f (3) = -2 then the point ________________ is on the graph of f (x).

b. The range of the relation S = {(-2,4), (0,5), (7,4), (9,1)} is ________________

c. The domain of the relation S = {(-2,4), (0,5), (7,4), (9,1)}is ________________.

d. The domain of the function is ________________.

2. (2 pts each) For each statement below circle T if the statement is true and F if the statement is false.

a. T F The relation S = {(-2,4), (0,5), (7,4), (9,1)} is a function.
b. T F An example of a rational number is –2.4.
c. T F All rational numbers are natural numbers

3. (2 pts each) Classify each number listed as one or more of the following : natural number, integer,
rational number irrational number, or real number . Put an X in the box with the correct

Number Integer Natural

4. (3 pts) Fill in the blanks in the sentence, using the list of words on the left.

vertical line

A function is a ________________ in which each element in the
________________ corresponds to exactly one element in the ________________.

5. (2 pts) Which of the following numbers is written correctly in scientific notation. Circle the correct

6. (4 pts) Write 2.56*10-5 in standard form.

7. (4 pts) Write –34,500,000 in scientific notation.

8. (4 pts) Use a calculator to evaluate the expression . Write the answer in scientific notation accurate to
two decimal places.

9. (5 pts) Write a symbolic representation ( formula ) of a function H that computes the number of hours in
x years. Make sure you use function notation and show work to receive credit.

10. (5 pts) Beth has a pay as you go cell phone plan that charges 15ยข per minute. During December her
total bill was $60.75. How many hours did she talk? Give answer to the nearest hundredth. You must
show work to get credit.

11. Let

a. (2 pts) Evaluate

b. (3 pts) Simplify

c. (3 pts) Give a verbal re presentation of

d. (3 pts) Find the domain of

e. (5 pts) De termine a numerical representation of using a table with x = –1, 0, 1, 2, 3.

f. (5 pts) Determine the graphical representation of Use the grid on the right. Make sure to
include at least 3 points on the graph and capture the basic shape.

12. Below is a table of the printed value on the ticket of the most expensive Super Bowl ticket for a given

a. (4 pts) Calculate the percent change in the price of a Super Bowl ticket from 1990 to 2009. Give
the answer to the nearest percent.

b. (6 pts) Make a scatter plot by hand , of the data on the grid below. Put the year on the x axis and
the price of the ticket on the y axis. Make sure that you use the entire grid; label the axes.

c. (6 pts) Use your calculator to graph a scatterplot of the above data. What would be an
appropriate viewing window? That is, choose a window so that the whole plot can be seen
and so that it fills most of the viewing screen. You should also be able to see separate and
distinct tick marks for each axis. Fill in the information in the correct spaces below.

Xmin = ________________Xmax = ________________Xscl =________________
Ymin = ________________Ymax = ________________Yscl =________________

13. Use the graph of the function g(x) at the right to answer the following questions.

a. (4 pts) Evaluate

b. (4pts) Find all x such that

c. (2pts) Circle the domain of the function above.

d. (2pts) Circle the range of the function above.

14. (4 pts) Determine if the graph at the right is a function.
Explain your answer.

Prev Next

Start solving your Algebra Problems in next 5 minutes!

Algebra Helper
Download (and optional CD)

Only $39.99

Click to Buy Now:

OR is an authorized reseller
of goods provided by Sofmath

Attention: We are currently running a special promotional offer for visitors -- if you order Algebra Helper by midnight of April 26th you will pay only $39.99 instead of our regular price of $74.99 -- this is $35 in savings ! In order to take advantage of this offer, you need to order by clicking on one of the buttons on the left, not through our regular order page.

If you order now you will also receive 30 minute live session from for a 1$!

You Will Learn Algebra Better - Guaranteed!

Just take a look how incredibly simple Algebra Helper is:

Step 1 : Enter your homework problem in an easy WYSIWYG (What you see is what you get) algebra editor:

Step 2 : Let Algebra Helper solve it:

Step 3 : Ask for an explanation for the steps you don't understand:

Algebra Helper can solve problems in all the following areas:

  • simplification of algebraic expressions (operations with polynomials (simplifying, degree, synthetic division...), exponential expressions, fractions and roots (radicals), absolute values)
  • factoring and expanding expressions
  • finding LCM and GCF
  • (simplifying, rationalizing complex denominators...)
  • solving linear, quadratic and many other equations and inequalities (including basic logarithmic and exponential equations)
  • solving a system of two and three linear equations (including Cramer's rule)
  • graphing curves (lines, parabolas, hyperbolas, circles, ellipses, equation and inequality solutions)
  • graphing general functions
  • operations with functions (composition, inverse, range, domain...)
  • simplifying logarithms
  • basic geometry and trigonometry (similarity, calculating trig functions, right triangle...)
  • arithmetic and other pre-algebra topics (ratios, proportions, measurements...)


Algebra Helper
Download (and optional CD)

Only $39.99

Click to Buy Now:

OR is an authorized reseller
of goods provided by Sofmath
Check out our demo!
"It really helped me with my homework.  I was stuck on some problems and your software walked me step by step through the process..."
C. Sievert, KY
19179 Blanco #105-234
San Antonio, TX 78258
Phone: (512) 788-5675
Fax: (512) 519-1805

Home   : :   Features   : :   Demo   : :   FAQ   : :   Order

Copyright © 2004-2018, Algebra-Answer.Com.  All rights reserved.