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15
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10) Describe the transformation from the graph of f(x) to the graph of g(x). f(x) = x, g(x) = f(x) - 10
graph shifted 10 units down
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15
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8a) You are ordering shirts for math club. Given 12x + 25y = 600. What is the x intercept and what does the x-intercept represent
x-intercept is 50; if no LONG sleeve shirts are purchased, you can purchase 50 SHORT sleeve shirts.
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15
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9) A drive in movie theater uses the function D(x) = 5x + 6. The rate of change is ______________ cost per person.
$5
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15
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6) Evaluate f(x) = 4x - 12, when x = -9
-48
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7) Graph the following equation: 3x - 6y = 12. What are the intercepts
x-int: (4, 0) y-int: (0, -2)
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eraser
Reset score!
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seesaw
Swap points!
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rocket
Go to first place!
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baam
Lose 15 points!
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eraser
Reset score!
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magnet
Take 10 points!
Okay!
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rocket
Go to first place!
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banana
Go to last place!
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15
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3) Choose the right graph of the function and interpret the slope and y-intercept of the graph.
D. The slope represents $10 per hour. y-int $5. Graph A
A. The slope represents $5 per hour. y-int $10. Graph A
B. The slope represents $10 per hour. y-int $5. Graph B
C. The slope represents $5 per hour. y-int $10. Graph B
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15
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2) When is the function increasing?
x > -2
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4) You receive bids for making T-shirts for your class fundraiser from four companies. Select the least expensive cost for 30 shirts.
B. Company from the verbal description
D. Company from Graph
C. Company from Equation
A. Company from Table
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15
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11b) Describe the end behavior of the function. As x approaches NEGATIVE INFINITY, y approaches ____________________
Negative infinity
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11a) Describe the end behavior of the function. As x approaches POSITIVE INFINITY, y approaches ____________________
Negative infinity
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boom
Lose 50 points!
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fairy
Take points!
5
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25
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fairy
Take points!
5
10
15
20
25
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banana
Go to last place!
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boom
Lose 50 points!
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gift
Win 25 points!
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fairy
Take points!
5
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25
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lifesaver
Give 10 points!
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1b) What is the range?
-3 < y < 2
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15
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1a) What is the domain
-1 < x < 4
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