Physical Science Exam 2,
Name:_
Multiple choice 4 points each
best 20 out of 21
1.
When calcium reacts with chlorine, the compound is . ?
a. CaCl
fkj. CaCl2
udt. CaCl3
qvp. CaCl4
2.
The name of the compound CuSO4 is . ?
a. copper sulfate
wdl. cuprous sulf
Business Calculus Exam 3 Review
I.
New Functions
Exponential Functions
Exponentials are a class of function wherein the variable is the power instead of the base, such as
f ( x )=2 x . Their properties should be quite familiar, as they follow largely the
Exam 3 Review Solutions
Convert each of the following from exponential to logarithmic form
1.
32=9 log 3 9=2
2.
5 =125 log 5 125=3
3.
2 =32 log 2 32=5
4.
7 =343 log 7 343=5
3
5
3
Convert each of the following from logarithmic to exponential form
4
1.
log
Business Calculus Exam Two Review
Things to know
Steps for creating the graph of a function by hand (Easiest Order):
1. Find the Vertical Asymptotes for the function
a. Only possible for Rational functions
b. Found by setting the denominator equal to zero
Business Calculus Practice Problems Solutions
Graphing
Graph each of the following functions
1.
f ( x )=x 34 x 29 x+ 36
2.
a. Asymptotes: None
b. Y-Intercept: y = 36
c. Roots: 4, 3, -3 ; Found by trying factors of 36
d. Critical Numbers: 3.519, -0.852
e.
Name:_
Business Calculus Exam One
150 Points
Multiple Choice: Circle the most appropriate response to each of the following questions (7 pts each)
2
1. Find
lim 2 x 3 x +1.
x 1
a. 6
b. 0
c. 5
d. -4
c. 21x2
d. 21x3
2. Given that f(x) = 7x3, find f'(x).
a.
1.
Any substance that yields hydrogen ions in solution. base
False
2.
The amount of energy needed to raise the temperature of 1 gram of a substance
by 1 Celsius. specific heat
True
3.
A substance (atoms, molecules, or ions) that goes into a chemical
react