1172529
Description
Quiz by Shanie Dickens, updated more than 1 year ago
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Created by Shanie Dickens
almost 10 years ago
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Question 1
Question
If the domain and range is the equivalent of X and Y, which would be which?
Answer
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X = domain Y = range
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X = range Y = domain
Question 2
Question
Which mappings can be called a function?
Answer
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one-to-many and many-to-many
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many-to-many and many-to-one
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one-to-one and many-to-one
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many-to-one and one-to-many
Question 3
Question
The composite function fg(x) means that...
Answer
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g acts on x first, then f acts on the result.
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f acts on x first, then g acts on the result.
Question 4
Question
The composite function fg(x) means that...
Answer
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g acts on x first, then f acts on the result.
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f acts on x first, then g acts on the result.
Question 5
Question
To calculate the inverse function f(x)^-1, you...
Answer
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times f(x) by -1.
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divide f(x) by 1/x.
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change the subject of the formula.
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replacing x's with y's.
Question 6
Question
The graph of f(x)^-1 is ...
Answer
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the reflection of f(x) in the line y = x.
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perpendicular to f(x).
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the same as f(x).
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the reflection of f(x) in the line y = -x
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