Respuesta :

I can't really help with 2) because I don't have my calculator on me, but I hope this helps :)
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See the attachment for a table (1) and graph (2).

(3) The graph represents a function. The table has a domain of [0, 7] and a range of [170, 240].

The function might reasonably be used over a domain of [0, 24] and a range of [0, 240].
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