The geometric configuration of the solutions of 
in the phase plane is
Select the correct answer.
?
A. stable node
B. unstable node
C. stable spiral point
D. unstable spiral point
E. saddle point
Answer: A
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Integrate the function f over the given region.f(x, y) = e2x + 3y over the rectangle 0 ? x ? 1, 0 ? y ? 1
A. 
(e5 - e3 - e2 - 1)
B. 
(e5 - e3 - e2 - 1)
C. 
(e5 - e3 - e2 + 1)
D. 
(e5 - e3 - e2 + 1)
Perform the indicated operations. Write answers using only positive exponents. Assume variables represent positive real numbers.(9z)1/5 ? (9z)-2/5
A. 
B. (81z)1/5
C. 
D. (9z)1/5
Show that for any positive number ? we can find a positive number ? such that the statement below is satisfied.-15x - 125 is less than ? away from 130 whenever x is less than ? away from -17.
A. ? = 
B. ? = 
C. ? = 
D. ? = 
Graph the line containing the point P and having slope m.P = (7, -2); m = - 
A. 
B. 
C. 
D. 