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miss Akunina [59]
3 years ago
13

What is 3.47 rounded to the nearest tenth

Mathematics
2 answers:
PIT_PIT [208]3 years ago
7 0
That answer would be 3.5
Ksenya-84 [330]3 years ago
5 0
3.47 is 3.50 rounded to the nearest tenth.
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Answer:

The correct option is 4.

Step-by-step explanation:

The given function is

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It is a polynomial function with degree 2. All polynomial functions are defined for all real numbers, therefore the mathematical domain of the function is all real numbers.

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f(x)=-0.05(x^2-50x-104)

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f(x)=-0.05(x(x-52)+2(x-52))

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Equate each factor equal to 0.

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Therefore at x=52 and -2, the graph of f(x) intersects x-axis. Before x=-2 and after x=52 the values of f(x) is negative. Height cannot be negative, therefore reasonable domain is lie between -2 to 52.

Distance cannot be negative, therefore the reasonable domain must be positive.

0\leq x\leq 52

Therefore the reasonable domain is 0\leq x\leq 52 and option 4 is correct.

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