Write out the first five terms of the sequence.an = (-1)n-1(7n - 8)
A. -1, 6, 13, 20, 27
B. 1, 6, -13, -20, -27
C. -1, -22, 13, -20, 43
D. -1, -6, 13, -20, 27
Answer: D
Mathematics
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Solve by the elimination method. x = 6 - y8x + 8y = 48
A. Infinitely many solutions B. No solution C. (0, 0) D. (1, 5)
Mathematics
Convert to an exponential equation.log6 
= -2
A. 26 = 
B. 
2 = 6
C. 636 = 2
D. 6-2 = 
Mathematics
The function f is one-to-one. Find its inverse.f(x) = 
A. f-1(x) = 
B. f-1(x) = 
C. f-1(x) = 
D. f-1(x) = 
Mathematics
?Find the eigenvalues and corresponding eigenvectors for the matrix 
.
?
A. ?
B. ?
C. ?
D. ?
E. ?
Mathematics