Posted by Hasane on Friday, March 15, 2013 at 8:50pm.
A particular power boat travelling at V0 km/h when its power is turned off will have its speed V given by V(t) = V0 × 100.18t where t is the time in seconds since the engine was turned off. If this boat was travelling at 50km/h before powering down, construct a table showing its speed at t = 0, 1, 2, ..., 5. What are the limitations in using this exponential function to describe the speed of the boat?

math  Hasane, Friday, March 15, 2013 at 8:52pm
The O after the V is in subscript form.

math  Reiny, Friday, March 15, 2013 at 11:06pm
so you have
V(t) = 50 x 10^(.18t)
t=0 , V(0) = 50 (10^0) = 50
t=1 , V(1) = 50 (10^.18) = 33.03
t = 2 , V(2) = 50 (10^.36) = 21.83
you do the rest of the buttonpushing
mathematically the boat would never come to a stop
since 10^?? can never become zero

math  Hasane, Friday, March 15, 2013 at 11:21pm
Ah thanks that helps explain it much easier for me.
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