# exponential equations qWatch

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#1
how would you solve this?
0
2 weeks ago
#2
Its a fairly standard exponential decay (geometric sequence) type question.

At t = 0
x(0) = D = 10

For 0<=t<5
x(t) = D*exp(-t/8)

At t=5
D = 10*exp(-5/8) + 10

You then have the given exponential decay for x(t) where t lies in (5,8] like between (0,5)

(Original post by theweirdo)
how would you solve this?
Last edited by mqb2766; 2 weeks ago
0
#3
(Original post by mqb2766)
Its a fairly standard exponential decay (geometric sequence) type question.

At t = 0
x(0) = D = 10

For 0<=t<5
x(t) = D*exp(-t/8)

At t=5
D = 10*exp(-5/8) + 10

You then have the given exponential decay for x(t) where t lies in (5,8] like between (0,5)
aaah thanks i get it now
0
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