Solve the equation and check the solution.
x + 
= 
- 
x + 
A. x = 
B. x = 
C. x = - 
D. x = - 
Answer: A
Mathematics
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Solve the initial value problem.
= et sin (et - 4), y(ln 4) = 0
A. y = cos (et - 4) - 1 B. y = et cos (et - 4) - 4 C. y = sin et - sin 2 D. y = -cos (et - 4) + 1
Mathematics
Find the equation of the circle. Express the equation in standard form
A. (x - 15)2 + (y - 25)2 = 202 B. (x - 15)2 + (y + 25)2 = 202 C. (x - 25)2 + (y - 15)2 = 202 D. (x - 25)2 + (y + 15)2 = 202
Mathematics
Let U = {1, 2, 3, 4, 5, 6, 7}, A = {1, 2, 3, 5} and C = {1, 4, 7}. List all the members of the following set.
?
?
A. 
B. 
C. 
D. 
E. 
Mathematics
Factor as completely as possible. If unfactorable, indicate that the polynomial is prime.x4 - 15x2 - 16
A. (x + 4)(x - 4)(x2 + 1) B. (x - 4)2(x2 + 1) C. (x + 4)(x - 4)(x + 1)(x - 1) D. (x2 - 16)(x2 + 1)
Mathematics