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Is this a function?
No
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Okay!
Is this a function?
Yes
Oops!
Okay!
Is this a function?
No
Oops!
Okay!
Is this a function?
Yes
Oops!
Okay!
Is this a function?
Yes
Oops!
Okay!
What is the first variable you should look at?
X
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Is this a function?
No
Oops!
Okay!
f(x) = -5x - 10 Find f(-3)
f(-3) = 5
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Okay!
Find the range of the function: f(x) = 12 - 4x; {-2, 0, 2}
Range: {20, 12, 4}
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Is this a function?
Yes
Oops!
Okay!
Find the range of the function: f(x) = 9x + 1; {-1, 0 , 1}
Range: {-8, 1, 10}
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Okay!
Is this a function?
Yes
Oops!
Okay!
Is this a function?
No
Oops!
Okay!
Is this a function?
Yes
Oops!
Okay!
f(x) = 3x - 7 Find f(-5)
f(-5) = -22
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Okay!
What test can we use to determine if a graph is a function or not?
Vertical Line Test
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Is this a function?
Yes
Oops!
Okay!
Is this a function?
YES
Oops!
Okay!
To be a function each input can have only _________ output?
One
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Okay!
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