Find the vertices of the hyperbola.(y + 4)2 - 4(x - 3)2 = 4
A. (-3, 2) and (-3, 6)
B. (-3, -2) and (3, 2)
C. (3, -6) and (3, -2)
D. (4, -5) and (4, -1)
Answer: C
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Find the flux of the curl of field F through the shell S.F = -5zi - 3xj - 3yk ; S: r(r, ?) = r cos ?i + r sin ?j + 5rk, 0 ? r ? 5 and 0 ? ? ? 2?
A. -75? B. 75? C. 0 D. -75
Solve the problem.Fred currently weighs 175 pounds. He joins the dessert of the month club and gains 1.5 pounds per month. Fred is also a member of Weight Watchers where his monthly charge is $2 per pound of his own weight. How much does Fred pay in dues over the course of three years?
A. $14,544 B. $612.50 C. $7272 D. $22,050 E. none of these
Solve the problem.If u = 12i - 2j and v = -7i + 9j, find u + v.
A. 4i + 7j B. 5i + 7j C. 19i + 4j D. -19i + 7j
Solve the given inequality (a related function is graphed).
? 0 
A. [-3, 3] B. (-3, 3) ? [3, ?) C. (-?, -3) ? (3, ?) D. (-3, 3)