Gwen, Tristan, and Keith like to work out at the gym. They each have an app on their phone that estimates the calories they burn
. By the time Tristan and Keith started exercising, Gwen had already burned 100 calories. Gwen burns 10 calories every minute, Tristan burns 125 every 10 minutes, and Keith burns 300 calories every 30 minutes. Let x represent the number of minutes since Tristan and Keith started exercising and y represent the number of app-estimated calories burned.
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D
the n th term (explicit ) formula for a geometric sequence is
=
The given explicit formula therefore has
= 5 and r = -
The recursive formula, allows us to find the next term in the sequence from the previous term
Here the next term in the sequence is obtained by multiplying the previous term by -
=
(-
) with
= 5