Consider the differential equation y (t) = y(y + 3)(4 – y). a) Find the solutions that are constant, for all t20 (the equilibrium solutions).

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
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6.1-7a)

Consider the differential equation y'(t) = y(y + 3)(4 - y).
a) Find the solutions that are constant, for all t20 (the equilibrium solutions).
b) In what regions are solutions increasing? Decreasing?
c) Which initial conditions y(0) = A lead to solutions that are increasing in time? Decreasing?
d) Sketch the direction field and verify that it is consistent with parts a through c.
a) The solutions are constant for.
(Type an equation. Use a comma to separate answers as needed.)
Transcribed Image Text:Consider the differential equation y'(t) = y(y + 3)(4 - y). a) Find the solutions that are constant, for all t20 (the equilibrium solutions). b) In what regions are solutions increasing? Decreasing? c) Which initial conditions y(0) = A lead to solutions that are increasing in time? Decreasing? d) Sketch the direction field and verify that it is consistent with parts a through c. a) The solutions are constant for. (Type an equation. Use a comma to separate answers as needed.)
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