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?

All integers from 0 to 50, inclusive

All real numbers

All integers from 10 to 50, inclusive

All multiples of 20 between 0 and 1000, inclusive

Question

03-11-2016
Mathematics

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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?

All integers from 0 to 50, inclusive

All real numbers

All integers from 10 to 50, inclusive

All multiples of 20 between 0 and 1000, inclusive

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agaue agaue · Answer 1 · 2018-09-06T11:52:53+02:00

The domain of a function is the set of its possible inputs .The output values are called the range.For any the set of values x can take is called the domain of the function.

The given function is f(x)= 50x .Here x represents number of coupons . f(x) represents The total amount of money Raul will make .

It is given Raul started with 50 coupon books and has already won a prize for selling at least 10 coupon books .

The values x can take or the domain of the function will lie between 10 and 50.

The correct option is All integers from 0 to 50, inclusive .