Use the graph to evaluate the limit.
f(x)
A. -
B. -1
C. ?
D.
Answer: D
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Using Green's Theorem, compute the counterclockwise circulation of F around the closed curve C.F = sin 5yi + cos 7xj; C is the rectangle with vertices at (0, 0), ,
, and
A. - ?
B. 0
C. ?
D. - ?
Graph the solution set of the system of inequalities or indicate that the system has no solution.
A.
B.
C.
D.
Find all complex zeros of the polynomial function. Give exact values. List multiple zeros as necessary.f(x) = x4 - 21x2 - 100
A. -2i, 2i, 10i, -10i B. -2i, 2i, 5i, -5i C. -2i, 2i, 5, -5 D. -2i, 2i, 10, -10
Give all solutions of the nonlinear system of equations, including those with nonreal complex components. x2 - 3y2 = 14x2 + 3y2 = 19
A. {(-1, 2), (1, -2)} B. {(1, 2), (-1, 2), (1, -2), (-1, -2)} C. {(2, 1), (-2, -1)} D. {(2, 1), (2, -1), (-2, 1), (-2, -1)}