Find a basis for the set of all solutions to the difference equation.yk+2 + 5yk+1 - 6yk = 0 for all k
A. (-1)k, 6k
B. 1k, (-7)k
C. 1k, (-1)k, (-6)k
D. 1k, (-6)k
Answer: D
Mathematics
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Construct a Venn diagram illustrating the following sets.U = {2, 4, 6, 8, 10, 12}A = {2, 6, 10}B = {2, 4, 8}C = {2, 8, 10, 12}
A. 
B. 
C. 
D. 
Mathematics
Use the fundamental identities to simplify the expression.cos ? - cos ? sin2?
A. sec2? B. tan2? C. cos3? D. sin ?
Mathematics
Graph the parabola and label the vertex. Find the y-intercept.y = -2x2
A. vertex (0, 0), y-intercept (0, 0)
B. vertex (0, 0), y-intercept (0, 0)
C. vertex (0, 0), y-intercept (0, 0)
D. vertex (0, 0), y-intercept (0, 0)
Mathematics
In many applications, it is often necessary to write expressions in the form
, where c is a constant and n is an integer. Write the expression below in this form.
?
?
A. 
B. 
C. 
D. 
E. 
Mathematics