Question

Asked Sep 14, 2019

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For a real number r, define S_{r} to be the interval [r-1, r+2]. Let A={1, 3, 4}. Determine the union U_{alpha is an element of A} S_{alpha } and the intersection n_{alpha is an element of A} S_{alpha}

Step 1

To identify the union of the three sets completely

Step 2

Description of the given intervals correspon...

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