11 smar tee review
TRANSCRIPT
SMARTee
…S - M – A - R - Tee, and Smartee was his name-o
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• Is this a function (yes or no):{(-2, 4), (3, 5), (0, 4), (7, 8)}
• Is this a function (yes or no):{(-5, -3), (-3, -1), (-5, 0)}
• What is the domain of:{(-2, 4), (3, 5), (0, 4), (7, 8)}
• What is the domain of:{(0,0), (2, 4), (2, 6), (4, 4)}
• What is the range of:{(0,0), (2, 4), (2, 6), (4, 4)}
• What is the domain of:x y
0 2
1 3
2 4
3 5
• What is the range of:x y
0 2
1 3
2 4
3 5
• What is the domain of:
• What is the range of:
• What property is illustrated by:
4 + 8 + 9 = 8 + 4 + 9
• What property is illustrated by:
6(3x – 4) = 18x – 24
• What property is illustrated by:
(4 + x) + 5 = 4 + (x + 5)
• Is this a function (graph yes or graph no)
• Is this a function (graph yes or graph no)
• Is this a DV? (It is a DV or It is not a DV):
9x + 3y = 6x
• Is this a DV? (It is a DV or It is not a DV):
10x + 5y = 20
• Find k
y = 5x
• Find k:
8x + 28y = 0
• Find k:
x y
2 6
4 12
10 30
• Write the equation of the direct variation that passes through the point (12, 6)
• Write the equation of the direct variation that passes through the point (2, 6)
• Write a function rule for this table:
x y
1 6
2 12
3 18
• Write a function rule for this table:x y
1 5
2 8
3 11
4 14
• Write a function rule for this table:x y
2 8
4 16
6 24
8 32
• Write a function rule for:
A worker’s earnings e(n) for n hours when his hourly wage is $7.15.
• Evaluate f(x) = -3x + 8 for x = -3
• Find the range of f(x) = 12x – 5 if the domain is {-2, 0, 3}
• What test would you use to determine if a graph is a function or not?