The domain of the expression is all real numbers except where the expression is undefined. In this case, there is no real number that makes the expression undefined. y=0 is a straight line perpendicular to the y-axis at point (0,0) , which means that the range is a set of one value {0} . In this regard, do you include 0 in domain?
The range is also all real numbers except zero. You can see that there is some point on the curve for every y -value except y=0 . Domains can also be explicitly specified, if there are values for which the function could be defined, but which we don't want to consider for some reason.
One may also ask, is domain left to right? Note that the domain and range are always written from smaller to larger values, or from left to right for domain, and from the bottom of the graph to the top of the graph for range.
Thereof, what is the range of 0?
For example: 6,7,3,0,2,4,4,9. If there is a 0 in the data, it does not matter unless it is the lowest or highest number, in which case it will be used to calculate the range. In your example, the range would be 9 because 9 is the highest number and 0 is the lowest. 9-0=9.
Is 0 a real number?
Yes, 0 is a real number in math. By definition, the real numbers consist of all of the numbers that make up the real number line.
Related Question Answers
How do you tell if a domain is a function?
How do you figure out if a relation is a function? You could set up the relation as a table of ordered pairs. Then, test to see if each element in the domain is matched with exactly one element in the range. If so, you have a function! How do you know if a domain is all real numbers?
However, because absolute value is defined as a distance from 0, the output can only be greater than or equal to 0. For the quadratic function f(x)=x2 f ( x ) = x 2 , the domain is all real numbers since the horizontal extent of the graph is the whole real number line. Can a domain be negative?
Negative values can be used for . The correct answer is: The domain is all real numbers and the range is all real numbers such that . Negative values can be used for , but the range is restricted because . The correct answer is: The domain is all real numbers and the range is all real numbers such that . How do you know if a domain is infinity?
Answer: To find the domain we need to determine the x-values on the graph. If we visualize that the parabola gets infinitely wider from left to right, we can see that the graph will go to negative infinity to the left and to positive infinity on the right. Can you have a range of 0?
Thus, the range is zero. Standard deviation is zero implies that all the 20 observations have the same value. Hence range is zero. Can range be negative?
No. Because the range formula subtracts the lowest number from the highest number, the range is always zero or a positive number. How do you write the range of a data set?
Explanation: The range is the simplest measurement of the difference between values in a data set. To find the range, one simply subtracts the lowest value from the greatest value, ignoring the others. Here, the lowest value is 155 and the greatest is 720. Which is the quick way to find a set of data in a range?
Explanation: The range of a set of data is the difference between the highest and lowest values in the set. To find the range, first order the data from least to greatest. Then subtract the smallest value from the largest value in the set. Can a range include infinity?
This describes the range of values from 0 to positive infinity. The square brackets means the range includes zero and infinity themselves. How do you write an infinite range?
If our range spans continuously from a point to the bottom or top, we say it goes to negative infinity or positive infinity respectively. When using interval notation for infinity we always use parentheses, since infinity isn't a point. For example, we might write (−∞,−5) or [24,∞). How do you write domain and range?
Note that the domain and range are always written from smaller to larger values, or from left to right for domain, and from the bottom of the graph to the top of the graph for range. 
