The table below gives the height in feet of a weight on a spring where is time in seconds.
(sec)024681012141618202224262830
(feet)4.32.91.91.71.92.94.35.76.76.96.75.74.32.91.91.7

(a) What is the period of ? (include units)

(b) What is the the midline of ? (include units)

(c) What is the the amplitude of ? (include units)

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