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# Learning Target #3

### I can determine the domain and range of a function given a map, graph, table, ordered pairs, or rule.

To find the domain and range of the graph, look at the points. Find the ordered pair that makes each point. To list the domain, write a D with a colon after it and then curvy brackets to show the start of the numbers. Close the numbers with the same curvy brackets and have the range set up the same way, but with a R before the colon. None of the numbers within the curvy brackets should repeat. They should also be in numerical order. The x-values are the domains and the y-values are the ranges.

### Comment Stream

3 years ago
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3 years ago
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The table shows the x-values and the y-values. To write them into domain and range, put them in numerical order and do not repeat values within each set of brackets.

3 years ago
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3 years ago
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The rule shown above is y=x. To clearly show the x and y-values, I made a table. From the table you can determine the domain and range of the rule.

3 years ago
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3 years ago
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The map shows that the x-values are on the left side and the y-values are on the right side. In a map, the values are already in numerical order, so you just have to write them in the correct way for domain and range.

3 years ago
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3 years ago
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Look at the ordered pairs above. You can see that the first number within the parentheses is the x-value. The second number is the y-value. Set the domain and range up like the other pictures have shown. Once this is done, you have completed writing the domain and range of the ordered pairs.