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20 September, 14:44

Raul is selling coupon books. He started with 50 coupon books and has already won a prize for selling at least 10 coupon books. The total amount of money Raul will make from selling x coupon books is represented by a function.

f (x) = 20xf (x) = 20x

What is the practical domain of the function if Raul sells 50 coupon books?

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  1. 20 September, 16:40
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    The practical domain would be all integers 10 to 50.
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