Solve the equation for the interval [0, 2?).sin2x + sin x = 0
A. x = 0, ?, 
, 
B. x = 0, ?, 
, 
C. x = 0, ?, 
, 
D. x = 0, ?, 
Answer: D
Mathematics
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The position vector of a particle is r(t). Find the requested vector.The acceleration at t = 1 for r(t) = (9t - 2t4)i + (6 - t)j + (3t2 - 5t)k
A. a(1) = -24i - j + 6k B. a(1) = -6i + 6k C. a(1) = 24i + 6k D. a(1) = -24i + 6k
Mathematics
Is the function graphed one-to-one?
A. Yes B. No
Mathematics
Solve.The time T necessary to make an enlargement of a photo negative varies directly as the area A of the enlargement. If 175 seconds are required to make a 
enlargement, find the time required for a 
enlargement.
A. 378 s B. 432 s C. 486 s D. 324 s
Mathematics
If points A and B are the endpoints of a diameter and C is any other point on 
, find the measure 
.
A. 75° B. 85° C. 95° D. None of These
Mathematics