Solve.
= 
A. x = -3
B. x = 
C. x = 3
D. no solution
Answer: C
Mathematics
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Solve the initial value problem.
= 
- 
, y(0) = -1
A. y = 2 tan-1 x - 1 B. y = 2 cot-1 x - 3 sin-1 x C. y = 2 tan-1 x - 3 sin-1 x - 1 D. y = 2 tan-1 x - 3 sin-1 x + 1
Mathematics
Express the integrand as a sum of partial fractions and evaluate the integral.
A. 
- 6x + 9 ln
- 
+ C
B. 
- 6x - 27 ln
+ 
+ C
C. 
- 6x + 27 ln
+ 
+ C
D. 27 ln
+ 
- 
+ C
Mathematics
Convert to rectangular coordinates.
A. (-3
, -3)
B. (3
, -3)
C. (3, -3
)
D. (-3, -3
)
Mathematics
Solve the problem.How many liters of a 10% alcohol solution must be mixed with 30 liters of a 50% solution to get a 30% solution?
A. 6 L B. 3 L C. 30 L D. 60 L
Mathematics