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1. For the functional mentioned in the video, which of the following statements is true . ( )

A. The functional maps a function to a function
B. The functional maps a function to a real number
C. The functional maps a real number to a real number
D. None of the above answers

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Which of the following statements is true. ( )

A monotonic sequence has a limit
B. The monotonic decreasing sequence with an upper bound has a limit
C. The monotonic rising sequence with a lower bound has a limit
D. The monotonic rising sequence with an upper bound has a limit

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Scientists’ predictions about human speed of 100 meters have been broken again and again, meaning that the so-called ‘limit’ of the speed of 100 meters does not exist! ( )

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The visual illusion can be resolved by correction, but the usual measurement errors in life (such as measuring height, etc.) are unavoidable. ( )

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The teachers of Taizhou Health School found that the result of the 33th power to 2 had an error of -3 when he calculated it with a Casio calculator, the Casio company take it as normal, because the ( ).

A. The absolute error is very small
B. The calculation of the calculator will always have an error
C. Human operation errors
D. The relative error is very small

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1. For the functional mentioned in the video, which of the following statements is true . ( )

A. The functional maps a function to a function B. The functional maps a function to a real number C. The functional maps a real number to a real number D. None of the above answers

Which of the following statements is true. ( )

Scientists’ predictions about human speed of 100 meters have been broken again and again, meaning that the so-called ‘limit’ of the speed of 100 meters does not exist! ( )

The visual illusion can be resolved by correction, but the usual measurement errors in life (such as measuring height, etc.) are unavoidable. ( )

The teachers of Taizhou Health School found that the result of the 33th power to 2 had an error of -3 when he calculated it with a Casio calculator, the Casio company take it as normal, because the ( ).

A. The functional maps a function to a function
B. The functional maps a function to a real number
C. The functional maps a real number to a real number
D. None of the above answers