Find the logistic equation that satisfies the initial condition. dy 11y y² (0, 44) dt 20 1440 Use the logistic equation to find y when t = 5 and t = 100. Step 1 Rewrite the logistic differential equation Hence, Thus, Step 2 Thus, = dy - 21 (1- dt 20 k= y = 11 20 792✔✔ 792✔ 1 + be 11 (-11✔ y dy dt 792 792 = 11y 20 and L= $$792 ✔ 11 /20)t Substitute the values of k and the carrying capacity L, in the general solution of the logistic differential equation. That is, y = 1440 in the general form of logistic differential equation with initial condition y(0) = 44. 792 . dr = kr(1-2). 1 + be-kt¹ to obtain the logistic equation.

College Algebra
1st Edition
ISBN:9781938168383
Author:Jay Abramson
Publisher:Jay Abramson
Chapter6: Exponential And Logarithmic Functions
Section: Chapter Questions
Problem 64RE: What is the carrying capacity for a population modeled by the logistic equation...
Question

I did step 1 and 2 I need help with step 3 please help me

Step 3
Substitute the values of y and t in the general solution y
0
0
3
0.0639
X =
=
b =
b =
1 + be
1 + be
792
1 + b
0.0639
792
(-11/20)( 5
792
-2.75 X
792
1
792
(-11/20)t'
1 + be
X )
to obtain the value of b.
Transcribed Image Text:Step 3 Substitute the values of y and t in the general solution y 0 0 3 0.0639 X = = b = b = 1 + be 1 + be 792 1 + b 0.0639 792 (-11/20)( 5 792 -2.75 X 792 1 792 (-11/20)t' 1 + be X ) to obtain the value of b.
Find the logistic equation that satisfies the initial condition.
dy 11y y²
(0, 44)
dt
20
1440
Use the logistic equation to find y when t
=
Step 1
Hence,
Rewrite the logistic differential equation
Thus,
Step 2
Thus,
=
dy 11
dt 20
k=
y =
=
11
1
20
1 + be
792
7
(-11
792
11
dy
dt
792
792
5 and t =
=
and L= $$792
11 /20)t
11y
20
100.
y²
1440
Substitute the values of k and the carrying capacity L, in the general solution of the logistic differential equation. That is, y
in the general form of logistic differential equation
with initial condition y(0) = 44.
792
dy
dt
=
k₂(1-²).
L
1 + be-kt¹ to obtain the logistic equation.
Transcribed Image Text:Find the logistic equation that satisfies the initial condition. dy 11y y² (0, 44) dt 20 1440 Use the logistic equation to find y when t = Step 1 Hence, Rewrite the logistic differential equation Thus, Step 2 Thus, = dy 11 dt 20 k= y = = 11 1 20 1 + be 792 7 (-11 792 11 dy dt 792 792 5 and t = = and L= $$792 11 /20)t 11y 20 100. y² 1440 Substitute the values of k and the carrying capacity L, in the general solution of the logistic differential equation. That is, y in the general form of logistic differential equation with initial condition y(0) = 44. 792 dy dt = k₂(1-²). L 1 + be-kt¹ to obtain the logistic equation.
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