Select the TWO numbers that have a 4 in the thousandths place. *
2 answers:
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No, there can not be negative amplitude because it is just the distance between the max and the midline or the minimum and the midline.
I see where you might be confused because for instance in the trig equation:
y = -3 sin (.5(x-
/2)) -1, there is a negative in front of the amplitude. However, when finding the amplitude, you take the absolute value of a.
I see where you might be confused because for instance in the trig equation:
y = -3 sin (.5(x-
