Math 111 ~ Test 3 Mar 28 2012
Question 1:
(a)[3] Over a 9 month period an initial investment of $23,500 earned $1057.50 of simple interest; What was
the annual rate of simple interest? (State answer as a percentage rounded to 1 decimal place.)
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1 , I:
Math 111 Quiz 6 Name: SOLMTYOIUS,
Some useful formulas:
A=P(1+%>nt A=P(1+rt)
AZPl(1+i21] VZP [1(1i+i)~m]
(1) [3] Determine the amount of the annuity (that is, the future value) if deposits of $100 are made
at the end of each year for 10 years. The inter
MATH 1070
Wks# 01 - Algebra Review - Chapter 0
1. Evaluate the following expressions:
a) 2 2 3 =
2
b) 3 2 2 0
0
1 2 2
c) 3 1 =
9 3
d)
36 64
e)
36 64
2. Rewrite in the exponential form and simplify:
a)
x2 y
b)
x
x
3. Rewrite in radical form and simp
MATH 1070
Wks# 05 - Applications to Linear Functions
1.1 Part II - The Cost, Revenue and Profit Functions
The Cost Function
Let x be the number of items produced, then the cost becomes a function of x :
C ( x) mx b
where m is marginal cost (variable cost)
MATH 1070
Wks# 04 - 1.1 Part I - Cost Revenue Profit
Definitions:
Fixed Cost is the sum of all costs that are independent of the level of production
Example: rent, insurance etc
Note: this cost must be paid whether or not output is produced.
Variable Cost
MATH 1070
Wks# 03 - 3.1 LINES
The graph of any linear function is a line of general form: ax by c 0, a ,b, c R
The slope of a line, denoted m , is a measure of its steepness.
The slope also tells us whether the line goes downhill m 0 , uphill m 0 (as we m
MATH 1070
Wks# 07 - 3.3 Quadratic Functions and Applications
1. A manufacturer of sports trophies knows that the total cost, C in dollars, of making x thousand trophies is
given by C ( x) 600 60 x and the corresponding revenue, R in dollars, is given by R
Math 111 - Quiz 1 Name: 53 L- 0N5
(1) [5] Determine the slope of the line through the points (3, l) and (2,1) and graph the line.
ngi: ~(' 2 Z, ; Z
7Cfxi "3-L 5 5
9
(2) [5] Determine an equation of the line containing the points (1,3) and (-1, 2)
Math 111' - Test 2 Feb 29 2012
_#_#_
(a)[4] The row echelon form of a system of equations is
l l
Express the solution set for this system using the variables X, y and z.
g= 2'31 [av 50lovth Jd" "is \
X= Lh-lgW%
Question 1:
OOH
OIN
COO-P
ON-b
ll
A:
I
p
C
MATH 1070
Wks# 06 - 2.1 Part II - Demand and Supply as Linear Functions
1. The supply price in $ per square metres for vinyl siding is p and the quantity demanded monthly(in
thousands of square metres) is q. Suppose that p and q are related by the equatio