Express the sum using summation notation with a lower limit of summation not necessarily 1 and with k for the index of summation.
+ 
+ 
+ 
+... + 
A. 
B. 
C. 
D. 
Answer: D
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Solve.Find the center, foci, and vertices of the ellipse 36(x - 1)2 + 16(y + 2)2 = 576
A. center at (-2, 1)
foci at (-2, 1 - 2
), (-2, 1 + 2
)
vertices at (-2, 4), (-2, -8)
B. center at (-1, -2)
foci at (-1, -2 - 2
), (-1, -2 + 2
)
vertices at (-1, 4), (-1, -8)
C. center at (2, -2)
foci at (2, -2 - 2
), (2, -2 + 2
)
vertices at (2, 4), (2, -8)
D. center at (1, -2)
foci at (1, -2 - 2
), (1, -2 + 2
)
vertices at (1, 4), (1, -8)
Find the length of the curve.x = 
(y - 1) 3/2 from y = 9 to y = 16
A. 
B. 37
C. 3
D. 
E. 
Evaluate the expression.-73
A. 21 B. -21 C. -343 D. 343
Solve the problem.A rectangular city park has a jogging loop that goes along a length, width, and diagonal of the park. To the nearest yard, find the length of the jogging loop, if the length of the park is 125 yards and its width is 75 yards.
A. 145 yards B. 146 yards C. 345 yards D. 346 yards