Consider the difference equation xk+1 = Axk, where A has eigenvalues and corresponding eigenvectors v1, v2, and v3 given below. Find the general solution of this difference equation if x0 is given as below.?1 = 1.3, ?2 = 0.8, ?3 = 0.6, v1 = 
, v2 = 
, v3 = 
, and 
A. xk = (1.3)kv1 + (0.8)kv2 + (0.6)kv3
B. xk = 5(1.3)kv1 - 3(0.8)kv2 + 3(0.6)kv3
C. xk = (1.3)kv1 - 3(0.8)kv2 + 3(0.6)kv3
D. xk = 5(1.3)kv1 - 3(0.8)kv2 + (0.6)kv3
Answer: B
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A. 
?
B. 
?
C. 
?
D. 1024?
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where R is the resistance of the circuit and I is the current through the circuit. For a sinusoidal alternating current, the current might be represented by the relation 
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A. 228 units B. 247 units C. 264 units D. 290 units
Decide whether the equation defines y as a function of x. (Remember that to be a function, every value of x must give one and only one value of y.)y = -4x - 3
A. Yes B. No