The answer to this is 9 miles. i included my work below
A 1 1/2 lb b 1/8 lb c 3/8 lb d 1/16 lb
1 answer:
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According to the plot, when ,
and
are the amplitudes of the waves
and
, respectively. From the plot it's clear that both
and
are positive, but the maximum value of
is evidently smaller than the maximum value of
. So
, making the answer B.