Determine whether the system corresponding to the given augmented matrix is consistent or inconsistent. If it is consistent, give the solution.
A. consistent; x = 3, y = -1, z = 10; (3, -1, 10)
B. consistent; x = -3, y = 1; (-3, 1)
C. consistent; x = 3, y = -1; (3, -1)
D. inconsistent
Answer: D
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Solve the given trigonometric equation analytically (using identities when necessary for exact values when possible) for values of x for 0 ? x < 2?.sin22x = 1
A. No solution
B. 
, 
C. 0, 
, ?, 
D. 
, 
, 
, 
A computer password is made up of five characters. Each character can be a capital letter (A through Z) or a digit (0 through 9).How many passwords have four letters and only one digit?
A. 4 × 26 × 10 B. 26 × 25 × 24 × 23 × 10 C. 264 × 10 D. 5 × 264 × 10 E. none of these
The given function is one-to-one. Find f-1(x).f(x) = 
, x ? -1
A. f-1(x) = 
B. f-1(x) = x2 - 1, x ? 0
C. f-1(x) = (x + 1)2
D. f-1(x) = -
Find the sum.6 + 12 + 18 + . . . + 360
A. 10,797 B. 21,960 C. 10,980 D. 21,594