Respuesta :
Answer:
b
Step-by-step explanation:
a book can't half fraction of pages they have to be whole
The range is all positive multiples of 3.5 rounded to the nearest hundredth because the amounts charged are represented as dollars and cents.
The cost function to determine the charges is given as:
[tex]c(x) = 3.5x[/tex]
The number of pages cannot be negative.
So, options (a) and (c) cannot represent the range of the cost function
Also, the range cannot be whole numbers, because the cost function is in terms of dollars and cents i.e. $3, and 50 cents.
So, the possible range of the function is positive multiples of 3.5
Hence, the correct option is (d)
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