Find a basis for the set of all solutions to the difference equation.yk+3 - 4yk+2 - 4yk+1 + 16yk = 0 for all k
A. 2k, 4k, (-2)k, (-3)k
B. 2k, (-2)k, (-4)k
C. 2k, 4k, (-2)k
D. 2k, 4k
Answer: C
Mathematics
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.f(x) = 9x + 5
A. 0
B. 9 + 
C. 9 + 
D. 9
Mathematics
Simplify the expression. Assume that all variables are positive and write your answer in radical notation.
? 
A. x
B. 
C. 
D. x
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Find the product.(x + 13)(x - 13)
A. x2 - 26 B. x2 + 26x - 169 C. x2 - 26x - 169 D. x2 - 169
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Solve the system of linear equations.
A. (-4, -4, -1) B. (-4, -1, -2) C. (-1, -12, -4) D. (-1, 0, -4)
Mathematics