Mathematics, 31.12.2019 02:31, twistedhyperboles

You buy cards to send to family and friends for their birthdays. the function y=2.5x represents the cost y of the number of cards x you buy. is 8 in the domain? explain. is 40 in the range? explain

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You buy cards to send to family and friends for their birthdays. the function y=2.5x represents the...