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Mathematics, 10.05.2021 16:30 Vlop2780

The height h (t) above ground (in yards) of a helium- filled balloon t seconds after release is shown in the
table.
What is the average rate of change of the balloon from
t = 7 seconds to t = 15 seconds?
a) 0.8 yd/sec
b) 1.25 yd/sec
c) 1.59 yd/sec
d)2.14 yd/sec

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