MATH 19002
Exam #3 Solutions
For full credit show all of your work (legibly!), unless otherwise specied. Answers should be
simplied down to arithmetic expressions whenever possible only unsimpliable trigonometric
and exponential functions may be left unev
MATH 19002
Quiz #1 Solutions
Show all work for problems 35; use the back of the sheet if necessary.
1. (4 points) Answer the following form-conversion problems.
(a) (2 points) Express the interval (2, 5] in terms of inequalities.
The parenthesis indicates
MATH 19002
Quiz #7
Show work for all problems; use the back of the sheet if necessary. All trigonometric evaluations
used in these problems are computable values and nal answers on all questions except #4 should
not contain unsimplied trigonometric expres
MATH 19002
Practice Final Exam Solutions
1. (10 points) Market research suggests that if tickets to a concert are $5, there will be 500
tickets sold, but every dollar the price is increased will lose 20 customers.
(a) (3 points) Find a function describing
MATH 19002
Quiz #2 Solutions
1. (6 points) Bill distributed $1000 between two investments: a CD which returns 1% annual
interest, and a mutual fund which returns 3% annual interest. He earned a total of $18 in
interest after a year. How much money did he
MATH 19002
Quiz #3 Solutions
Show work for problems 2 and 5; use the back of the sheet if necessary.
1. (3 points) Giving your answers either in interval form or as inequalities in x, identify the
intervals on the following graph on which the function gra
MATH 19002
Quiz #4 Solutions
Show work for all problems; use the back of the sheet if necessary.
1. (3 points) Using long division, nd the quotient and remainder of the division
Label which is which.
6x3 +2x2 22
.
x2 5
Here is the division:
6x + 2
x 5
6x
MATH 19002
Quiz #5 Solutions
Show work for all problems; use the back of the sheet if necessary.
1. (4 points) Find a function of the form f (x) = Cax for a graph which passes through the points
(0, 4) and (3, 108).
We know that the form of the function i
MATH 19002
Quiz #6 Solutions
Show work for all problems; use the back of the sheet if necessary. Exponential and logarithmic
expressions need not be simplied, but logarithms must be stated in terms of either natural or
common (base 10) logarithms.
2
1. (5
MATH 19002
Quiz #7 Solutions
Show work for all problems; use the back of the sheet if necessary. All trigonometric evaluations
used in these problems are computable values and nal answers on all questions except #4 should
not contain unsimplied trigonomet
MATH 19002
Quiz #8 Solutions
Show work for all problems except #5; use the back of the sheet if necessary. Final answers on
all questions should not contain unsimplied trigonometric expressions.
18
1. (3 points) Determine the value of sin
cos
9
9
+ sin
18
MATH 19002
Practice Exam #3 Solutions
1. (10 points) Answer the following questions about evaluating trigonometric expressions.
(a) (3 points) Evaluate the expression sin(75 ) cos(15 ) cos(75 ) sin(15 ).
The above expression is a template which is recogni
MATH 19075
Practice Exam #2
1. (10 points) Answer the following questions about growth and decay.
(a) (3 points) Market analysis suggests than an investment in Tessier-Ashpool S.A. will
have a relative growth rate of 6% per year. If you invest $5000 in th
MATH 19002
Quiz #4
Show work for all problems; use the back of the sheet if necessary.
1. (3 points) Using long division, nd the quotient and remainder of the division
Label which is which.
6x3 +2x2 22
.
x2 5
2. (6 points) Find all the rational zeroes of
MATH 19002
Quiz #1
Show all work for problems 35; use the back of the sheet if necessary.
1. (4 points) Answer the following form-conversion problems
(a) (2 points) Express the interval (2, 5] in terms of inequalities.
(b) (2 points) Express the inequalit
MATH 19002
Quiz #3
Show work for problems 2 and 5; use the back of the sheet if necessary.
1. (3 points) Giving your answers either in interval form or as inequalities in x, identify the
intervals on the following graph on which the function graphed is in
MATH 19002
Quiz #8
Show work for all problems except #5; use the back of the sheet if necessary. Final answers on
all questions should not contain unsimplied trigonometric expressions.
1. (3 points) Determine the value of sin
18
cos
9
+ sin
9
cos
18
.
2.
MATH 19002
Quiz #6
Show work for all problems; use the back of the sheet if necessary. Exponential and logarithmic
expressions need not be simplied, but logarithms must be stated in terms of either natural or
common (base 10) logarithms.
2
1. (5 points) S
MATH 19002
Quiz #2
Show work for problems 13; use the back of the sheet if necessary.
1. (6 points) Bill distributed $1000 between two investments: a CD which returns 1% annual
interest, and a mutual fund which returns 3% annual interest. He earned a tota
MATH 19002
Quiz #5
Show work for all problems; use the back of the sheet if necessary.
1. (4 points) Find a function of the form f (x) = Cax for a graph which passes through the points
(0, 4) and (3, 108).
2. (4 points) Evaluate the following logarithms.
MATH 19002
Exam #1 Solutions
This test is closed-book and closed-notes. No calculator is allowed for this test. For full credit
show all of your work (legibly!), unless otherwise specied.
The problems are in no particular order, and it is suggested that y
MATH 19002
Practice Exam #1 Solutions
1. (10 points) You are placing a fence around all four sides of a farmyard, as well as a fence
parallel to the front fence running down the middle. You have 600 feet of fencing.
(a) (4 points) Find the length of the s