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Otrada [13]
3 years ago
12

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 b

y 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.
Mathematics
2 answers:
Kobotan [32]3 years ago
6 0
The range is all the y values....or the f(x) values

so the practical range would be the multiples of 15 between 0 and 300
adelina 88 [10]3 years ago
6 0
Well you would multiply 20x15 to find out the highest of the range which is 300. So that knocks it down to B or D. but since they're $15 each, it would be based of the multiples of 15 making your answer B.
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Step-by-step explanation:

1). Step 4:

   x=5^{\frac{4}{3}}=(5^4)^{\frac{1}{3}}

   x=\sqrt[3]{5^4} [Since, a^{\frac{1}{3}}=\sqrt[3]{a}]

   x=\sqrt[3]{5\times 5\times 5\times 5}

   Step 5:

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2). He simplified the expression by removing exponents from the given expression.

3). Let the radical equation is,

   (3x-1)^{\frac{1}{5}}=2

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   Step 2:

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   Step 3:

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4). By substituting x=11 in the original equation.

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There is no extraneous solution.

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