Consider the differential equation. A detailed direction field is not needed. Find the solutions that are constant, for all 
(the equilibrium solutions). In what regions are solutions increasing? Decreasing?y'(t) = (y - 7)(7 + y)
A. y = 7; increasing for 
> 7; decreasing for 
< 7
B. y = -7; increasing for 
< 7; decreasing for 
> 7
C. y = 7, y = -7; increasing for 
> 7; decreasing for 
< 7
D. y = 7, y = -7; increasing for 
< 7; decreasing for 
> 7
Answer: C
Mathematics
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