I c a n fi n d t h e R A T E f r o m
Words
Table
Number
ofSongs,
n
0
Graph
Equation
Cost,
C($)
3.00
10
8.00
20
13.00
30
18.00
40
23.00
C = 500 + 42n
R AT E
per 1
each
R AT E
R AT E
R AT E
for 1
C=10n+30
P=12.50h
B=32515w
Negative Slope
Rate of Change
per
Whats the Relationship Data Sets
Below you will see 27 scatter plots of data. The intent is that you break students up into as many as 9 groups and give them
three graphs each (set 1, set 2 and set 3 for their group number). This can be done by putting th
A kennel charges $60 plus $10 per day to board a pet.
Ken makes $9.25 at his part-time job.
C = 60 + 10n
P = 9.25h
Karate costs $8 per class and $50 for registration.
C = 8n + 50
A cell phone plan charges 20 cents per text
message.
C = 0.20n
The cost to p
A Video Game Rental Problem
A video game rental company has two monthly plans:
PLAN A charges $6 per video game
PLAN B charges $9, plus $3 per video game
1) Write the equation for each plan. Identify any variable used. (A5)
PLAN A
PLAN B
_
_
2) Identify t
Unit 3: Rational Functions
3.3 Day 2- Oblique (Slant) Asymptotes and Holes in Rational Functions
Recall: The quotient of two polynomial functions usually results in a discontinuous function
called a rational function.
Oblique Asymptotes
A rational funct
a) Determine x and y intercepts.
. 1
l = b) Determine vertical and horizontal a m tate(s).
( ) y 2x2—9x-5 W P
a) State the behavior near asymptotes.
0‘) State any necessary test point(s). (Le. local max/min)
0% 744M" L’o’i‘ =0 ‘j-int‘. \et— ><=O a) Dete
Unit 5: Trigonometric Functions
5.4 Trigonometric Equations
Equations involving trigonometric expressions are called trigonometric equations. Finding the value of the
variable is usually the same as finding the measure of the angle that satisfies the equa
1
1
3
3
1/2
1/2
-3
3
(x, 3y)
Stretched vertically by a factor of 3
Compressed vertically by a factor of 1/2
Stretched vertically by a factor of 3,
and vertical reflection.
1
2
1/2
horizontally compressed by a factor of 1/2
horizontally stretched by a fact
Unit 5: Trigonometric Functions
5.2 Graphs of Reciprocal Functions
Using what we know about reciprocal functions from the previous unit, we can state the following:
I The graph of a reciprocal function has a vertical asymptote at each zero of the co
UniT 4: Trigonome'l'ry
4. 1 Radian Measure
Angles and Their LocaTion in The xy—plane
- An angle is formed when a ray is roTaTed abouT a fixed poinT called The verTex.
- The ray is called The iniTial arm and The beginning of The angle and The Termina