Unformatted text preview: ions The Domain and Range Evaluating Functions Average Rate of Change Numerical Representation
Example
1 Which table represents a function from X = {1, 2, 3, 4, 5} to
Y = {0, 1, 2, 3, 4, 5}? Discuss the range.
x f (x )
x f (x )
1
3
1
5
2
3
2
4
3
1
2
3
4
1
4
2
5
0
5
1 2 Do the ordered pairs
{(−2, 7), (−1, 6), (0, 0), (1, −1), (1, −3), (2, 4)} represent a
function? Outline Functions Representing Functions The Domain and Range Evaluating Functions Average Rate of Change The Domain and Range of a Function The domain D of a function is the set of allowable inputs.
The range R is the set of valid outputs.
If the domain of a function given by a formula is not speciﬁed,
the domain is the largest subset of R for which f (x ) is a real
number. This is called the natural domain of th...
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 Spring '14
 K.JPlatt
 Algebra, Rate Of Change, average rate, Department of Mathematics, Snow College

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