1. Lesson 47.notebook
November 18, 2013
Assignment:
1-->Set 47 (odds) ­ Due Tomorrow [11/19]
2­­>Test #6 ­ Monday [11/25]

2. Lesson 47.notebook
November 18, 2013
Lesson 47 Warm-Up:
Simplify: 5(x - 3) + 2(3 - x)
1)
2) Find the surface area of a plastic CD case
with dimensions 12 cm by 12.5 cm by 0.3 cm.
x3 + 2x2y - 3xy2 - x2y
3)
Combine like terms:
4)
Express 1/12 as a percent.
5)
Find the hypotenuse:
(to the nearest whole #)
4 cm
8 cm

3. Lesson 47.notebook
Lesson 47:
*domain – set of inputs (x values)
*range – set of outputs (y values)
*step function – a type of function whose graph has a stair
step pattern - pg. 320
November 18, 2013

4. Lesson 47.notebook
November 18, 2013
*continuous function - a type of function whose graph is not
interrupted with gaps - pg. 321
*direct proportion - a type of function whose graph is linear,
includes the origin, and has a positive slope - sometimes also
known as direct variation
[forms a line]
[goes through (0, 0)]

5. Lesson 47.notebook
Examples (Lesson 47):
pg. 323
A)
B)
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6. Lesson 47.notebook
C)
D)
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7. Lesson 47.notebook
E)
F)
November 18, 2013