Solve the equation by the method of your choice. Simplify irrational solutions, if possible.(x + 4)(x + 1) = 28
A. {-4, -1}
B. {1, 4}
C. {-3, 8}
D. {-8, 3}
Answer: D
Mathematics
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Express the integrand as a sum of partial fractions and evaluate the integral.
dx
A. 2 ln
+ 4 ln
- 3 ln
+ C
B. ln
- ln
+ ln
+ C
C. -3 ln
+ 4 ln
+ C
D. 2 ln
- 3 ln
+ 4 ln
+ C
Mathematics
Decide if the given equation is a solution of the given differential equation.2xyy' + x2 = y2, x2 + y2 = -3x
A. Yes B. No
Mathematics
Solve the triangle. 
A. A = 30°, B = 61°, C = 89° B. A = 30°, B = 89°, C = 61° C. A = 61°, B = 89°, C = 30° D. A = 61°, B = 30°, C = 89°
Mathematics
Solve the problem.The number of Hamilton circuits in K11 is
A. 11!.
B. 11.
C. 10!.
D. 
.
E. none of these
Mathematics