20-03-2019
Mathematics

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MrsStrong MrsStrong

21-03-2019

Answer:

4

Step-by-step explanation:

This is a piece wise function. A piece wise function has 2 or more functions which only work on specific intervals. To find when x = -2, first find the interval that contains x = -2.

The interval is x < 0. This interval corresponds to the function x².

So f(-2) will be (-2)² = 4

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