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Find the domain and range,

0 votes
(4x+5)^3
---------
3x+1
asked Mar 14, 2014 in ALGEBRA 1 by abstain12 Apprentice

1 Answer

0 votes

The rational function

image

We know that all possible values of is domain of a function.

A rational function is simply fraction and in a fraction the denominator cannot be equal to 0 because it would be undefined.

To find which number make the fraction undefined create an equation where the denominator is not equal to zero.

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So the domain of the function all real numbers except -1/3.

Range: The range is the set of all possible output values (usually the variable y, or sometimes expressed as f(x)), which result from using a particular function.

Domain set image

The range of the function  is all Real numbers.

answered Apr 4, 2014 by david Expert
edited Apr 4, 2014 by david

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