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Mathematics, 14.11.2019 10:31 epicchicken420

Juan has 20 books to sell. he sells the books for $15 each. the amount of money juan makes from selling x books is represented by the function.
f(x)=15x
what is the practical range of the function?
a. all integers from 0 to 20, inclusive.
b. all multiples of 15 between 0 and 300, inclusive.
c. all real numbers.
d. all multiples of 20 between 0 to 300, inclusive.

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