Solve.
+ 
+ 7 = 0
A. 0
B. 2
C. 
D. No solution
Answer: D
Mathematics
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The position vector of a particle is r(t). Find the requested vector.The velocity at t = 3 for r(t) = (2t2 + 2t + 3)i - 4t3j + (6 - t2)k
A. v(3) = 14i - 108j - 6k B. v(3) = 10i - 108j - 6k C. v(3) = 14i + 108j + 6k D. v(3) = 8i - 36j - 3k
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Represent the circuit with a logical form.
A. (p ? q) ? r B. p ? (q ? r) C. p ? q ? r D. p ? (q ? r)
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A point on the terminal side of angle ? is given. Find the exact value of the indicated trigonometric function.(3, 4)Find cos ?.
A. 
B. 
C. 
D. 
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Graph the inequality by crossing out (i.e., discarding) the points not satisfying the inequality.y ? 4
A. 
B. 
C. 
D. 
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