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Example Questions
Example Question #21 : Domain And Range
All inputs are valid. There is nothing you can put in for x that won't work.
Example Question #22 : Domain And Range
All inputs are valid. There is nothing you can put in for x that won't work.
Example Question #23 : Domain And Range
You cannot take the square root of a negative number.
Example Question #24 : Domain And Range
The function includes all possible y-values (outputs). There is nothing you can put in for y that won't work.
Example Question #25 : Domain And Range
Squaring an input cannot produce a negative output.
Example Question #26 : Domain And Range
The function includes all possible y-values (outputs). There is nothing you can put in for y that won't work.
Example Question #27 : Domain And Range
A number taken to a power must be positive.
Example Question #28 : Domain And Range
The square root of any number cannot be negative.
Example Question #29 : Domain And Range
The absolute value of a number cannot be negative.
Example Question #30 : Domain And Range
Determine the domain of the following function:
and
and
and
and
The domain is all the possible values of . To determine the domain, we need to determine what values don't work for this equation. The only value that is not allowed for this equation is 5, since that would make the denominator have a value of
, and you can not divide by
. Therefore, the domain of this equation is:
and
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