A linear parent function is the equation y = x or f(x) = x. A parent function is the simplest equation of a function. Thus, f(x) = x is the simplest of all linear functions and that is the reason why it is called linear parent function.
You can make a table of values to graph this function. See the table below.
x | y = x |
0 | 0 |
1 | 1 |
2 | 2 |
3 | 3 |
-1 | -1 |
-2 | -2 |
-3 | -3 |
Here is the graph for this function.
We only show 7 points. However, the graph has infinitely many points.
Therefore, the domain is the set of real numbers and the range is the set of real numbers.
Sep 18, 19 01:16 PM
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Sep 18, 19 01:16 PM
Factoring using the box method. Common pitfalls to avoid when using this method.