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1172529
C3 Chapter 2
Description
A Levels Maths (Core 3) Quiz on C3 Chapter 2, created by Shanie Dickens on 21/08/2014.
No tags specified
maths
core 3
a levels
Quiz by
Shanie Dickens
, updated more than 1 year ago
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Created by
Shanie Dickens
almost 10 years ago
27
2
0
Resource summary
Question 1
Question
If the domain and range is the equivalent of X and Y, which would be which?
Answer
X = domain Y = range
X = range Y = domain
Question 2
Question
Which mappings can be called a function?
Answer
one-to-many and many-to-many
many-to-many and many-to-one
one-to-one and many-to-one
many-to-one and one-to-many
Question 3
Question
The composite function fg(x) means that...
Answer
g acts on x first, then f acts on the result.
f acts on x first, then g acts on the result.
Question 4
Question
The composite function fg(x) means that...
Answer
g acts on x first, then f acts on the result.
f acts on x first, then g acts on the result.
Question 5
Question
To calculate the inverse function f(x)^-1, you...
Answer
times f(x) by -1.
divide f(x) by 1/x.
change the subject of the formula.
replacing x's with y's.
Question 6
Question
The graph of f(x)^-1 is ...
Answer
the reflection of f(x) in the line y = x.
perpendicular to f(x).
the same as f(x).
the reflection of f(x) in the line y = -x
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