问题描述：
求解一道英文指数数学题 exponential function
An orchestra tunes to a frequency of 440,which sounds the A above middle C.Each octave higher doubles the frequency,and each of the 12 semitones in the octave increases the frequency in the same ratio.
(a)What is this ratio?
(b)Find the frequency of middle C.
(c)Where on the scale is a note with a frequency of 600?
An orchestra tunes to a frequency of 440,which sounds the A above middle C.Each octave higher doubles the frequency,and each of the 12 semitones in the octave increases the frequency in the same ratio.
(a)What is this ratio?
(b)Find the frequency of middle C.
(c)Where on the scale is a note with a frequency of 600?
问题解答：
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