Find the absolute value. 

A. -  
B.  
C. 0
D.  


Answer: B

Mathematics

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Use the method of variation of parameters to solve the differential equation.y'' + y = sec x tan x

A. y = C1 cos x + C2 sin x - sin x(x + tan x) + sin x ln|csc x| B. y = C1 cos x + C2 sin x + sin x(x - tan x) + cos x ln|sec x| C. y = C1 cos x + C2 sin x + cos x(x - tan x) + sin x ln|sec x| D. y = C1 cos x + C2 sin x + cos x(x - tan x) + cos x ln|sec x|

Mathematics

Find any relative maximum or minimum points of the given function.y = -4x2 + 40x - 101

A. Maximum at (-1, 5) B. Maximum at (-5, 1) C. Maximum at (1, -5) D. Maximum at (5, -1)

Mathematics

Solve the problem. Assume that the minimum payment on a credit card is the greater of $27 or 3% of the unpaid balance.Find the minimum payment on an unpaid balance of $769.52.

A. $230.86 B. $27.00 C. $23.09 D. $28.09

Mathematics

Write the payoff matrix for the game.Players R and C each show 1, 2, or 3 fingers. If the total number N of fingers shown is even, then R pays N dollars to C. If N is odd, C pays N dollars to R.

A.  

B.  

C.  

D.  

Mathematics