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How do you find the domain and range of...?
How would you find the domain and range of a horizontal or vertical line?
Also, could you explain it to me. Thank you!!!! :)
2 Antworten
- Anonymvor 1 JahrzehntBeste Antwort
Well, the domain includes all of the possible x-values of the line. Meaning for a horizontal line, the domain would be {all real numbers}, while for a vertical one, it would just include the specific x-value the line falls on.
It's the opposite for the range. The range includes all of the y-values, so it would be the reverse situation for the horizontal/vertical.
Hope this helps.
- ugly_zekeLv 6vor 1 Jahrzehnt
A function is a set of ordered pairs where there are no two pairs with the same first element (argument). In the case of a horizontal line, this means that all values of x map into the same value of y. For example y = 5. A vertical line is not the graph of a function, since one value of x maps to all values of y, and consequently there are an infinite number of ordered pairs with the same first element.
For a horizontal line, the domain is the set of all real numbers and the range is whatever value of y represents the horizontal line.
