Elementary French I FREN-UA 1
Spring 2015 (Monday, Wednesday, Thursday)
New York University
What if you were able to communicate directly, and in a meaningful
way, with over 200,000,000 people in over 50 countries around the
world, people with whom you ca
gectien 43: Qnadratie Functions
A quadratic function (degree 2) has the form
f(x)=ax2+bx+c.
Graphing Quadratic Functions
Example: Compare yzxz, yzxz, y=2x2, yzl/2x2.
a) Graphs with positive leading coefcients open up,
and have a lowest point.
2)) Graph
[email protected] M m Expereerrtiaé and Legarith
'art it aegaritlr ic attens
Reminder: yzlogax <::> xzay
In _ words: I
(page 459)
logaM=logaN ifand only if M=N.
To solve logarithmic equations either
I. a. Use logarithm properties (Section 6.5) to
co
geetiee 6:? m Eieaeeial Feeis
Symbols and Words:
I = Interest
P = Principal (present value)
p = Interest Rate (convert 0/0 to decimal)
A = Amount (future value)
' t= Time measured in years
n = number of compounding times per year
Annually: Once per ye
College Algebra Basic Function Graphs.
Know the basic shape of all of these graphs. You
should be able to draw these graphs quickly and by
accurately plotting at least three points on each
graph. '
Section 33: Properties of Functions3 Part 2
Average Ra