Convert to rectangular coordinates.
A. (-2, 2
)
B. (2, 2
)
C. (-2, -2
)
D. (2, -2
)
Answer: A
Mathematics
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Find the required quantity given the wire that lies along the curve r and has density ?.Moment of inertia Iz about the z-axis, where r(t) = (6 sin 2t)i + (6 cos 2t)j + e3tk, 0 ? t ? 1; 
A. Iz = 4(e6 - 1)
B. Iz = 
C. Iz = 
D. Iz = 
[(144 + 9e6)3/2 - (144 + 9)3/2 ]
Mathematics
Solve the inequality.
< 
+ 1 or 
> 
A. (-?, 0) ? (15, ?) B. (-?, 0) ? [9, ?) C. (-?, 0] ? (21, ?) D. (-?, 0) ? (21, ?)
Mathematics
Graph the rational function and find the intercepts.h(x) = 
A. No x-intercept. y-intercept: 0.
B. No x-intercept. y-intercept: 1.
C. x-intercept: ±4 and 1. y-intercept: 1.
D. No x-intercept. No y-intercept.
Mathematics
Identify the coefficient of the given term.-9y
A. 9 B. 9y C. -9 D. y
Mathematics