Question: Need help with beginner functions, mostly finding domain and range. How many of the following relations are functions? {{-1, 1), (1, -1), (-2,2), (2,-2)} 04

 Need help with beginner functions, mostly finding domain and range. Howmany of the following relations are functions? {{-1, 1), (1, -1), (-2,2),(2,-2)} 04 0 3 O 2 O 1image text in transcribedimage text in transcribedimage text in transcribedimage text in transcribedimage text in transcribed

Need help with beginner functions, mostly finding domain and range.

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How many of the following relations are functions? {{-1, 1), (1, -1), (-2,2), (2,-2)} 04 0 3 O 2 O 1

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