A salesperson has 50 shirts to sell and must sell a minimum of 20 shirts. The salesperson sells the shirts for $35 each. The amount of money the salesperson makes for selling x shirts is represented by a function. f(x)=35x What is the practical range of the function?


all multiples of 35 between 700 and 1750, inclusive
all real numbers
all multiples of 35 between 0 and 1750, inclusive
all integers from 20 to 50, inclusive