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Functions
Domain, Range, Is it a Function, Inverse
22
Mathematics
11th Grade
02/22/2012
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Term
What is the range of y = 5x - 8
 Definition
All Real Numbers
Term
The __________________ line test is used to determine whether a graph is the graph of a function
 Definition
Vertical Line Test
Term
(-7, 1), (-3, -3), (0, -6), (5, -11)

What is the range of the set of ordered pairs above?
 Definition
{1, -3, -6, -11}
Term
(-7, 1), (-3, -3), (0, -6), (5, -11)

Is the relation above a function?
 Definition
Yes, it is a function.
Term
(-7, 1), (-3, -3), (6, -6), (5, -11), (-3, 4)

Is the relation above a function?
 Definition
No, it is not a function
Term
What is the domain of f(x) = x^3?
 Definition
All Real Numbers
Term
What is the range of f(x) = x^2?
 Definition
All real numbers ≥ 0
Term
(-1, -3), (0, -5), (7, 19), (10, -25)

What is the domain of the set of ordered pairs above?
 Definition
{-1, 0, 7, 10}
Term
What is the range of y = 9x - 14
 Definition
All Real Numbers
Term
The _____________________ line test is used to determine if a function has an inverse that is also a function.
 Definition
Horizontal Line Test
Term
(-6, 6), (-2, -2), (2, -10), (7. -20)

What is the range of the set of ordered pairs above?
 Definition
{6, -2, -10, -20}
Term
The ______________ of a function is often referred to as the set of all input values of the function
 Definition
Domain
Term
The domain of the function is all of the ___-values in the ordered pairs
 Definition
X
Term
The ___________ of a function is often referred to as the set of all output values of the function.
 Definition
Range
Term
The range of the function is all of the ___-values in the ordered pairs
 Definition
Y
Term
The difference between the upper quartile (Q3) and the lower quartile (Q1)
 Definition
Interquartile Range
Term
The number(s) that appears most often in a data set
 Definition
Mode
Term
The difference between the maximum and minimum values of a data set
 Definition
Range
Term
The middle number of a data set with the values are arranged in order
 Definition
Median
Term
The average of the numbers in a data set
 Definition
Mean
Term
The number of ways to arrange given items from a group when order doesn't make a difference
 Definition
Combination
Term
The number of ways to arrange given items from a group when order does make a difference
 Definition
Permutation
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