To find: Domain and range
Answer to Problem 9STP
Domain
Range
Explanation of Solution
Given information:
Concept used:
We know that a number line always starts with 0 and increases 1 unit at every interval.
Also, when two number lines intersect each other at right angle, it forms a coordinate plane. The vertical number line in this case is known as y-axis and horizontal number line is known as x-axis.
Calculation:
Basis the above definitions we can locate the point K on graph and write its ordered pair.
There given ordered pairs are
We know domain is represented by set of all x-coordinates and range is given by set of all y-coordinates.
Therefore,
Domain
Range
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