Provide an appropriate response.Why is this matrix not a suitable transition matrix for a Markov chain?
What will be an ideal response?
The entries in the first row do not add to 1.
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Multiply. Assume that all variables represent nonnegative real numbers.
A. 
- 
B. y 
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C. y 
- 
D. 
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Simplify.- 
A. - 
B. - 
C. 
D. 
?The lengths of the edges of a cube are increasing at a rate of 4 ft/min. At what rate is the surface area changing when the edges are 21 ft long? ?
A. ?96 ft2/min B. 1,008 ?ft2/min C. 504 ?ft2/min D. ?2,016 ft2/min E. ?84 ft2/min
Find the x-intercepts of the polynomial function. State whether the graph crosses the x-axis, or touches the x-axis and turns around, at each intercept. f(x) = -x2(x + 7)(x2 + 1)
A. 0, touches the x-axis and turns around; -7, crosses the x-axis; -1, crosses the x-axis; 1, crosses the x-axis; B. 0, touches the x-axis and turns around; -7, crosses the x-axis C. 0, touches the x-axis and turns around; 7, crosses the x-axis D. 0, touches the x-axis and turns around; -7, crosses the x-axis; -1, touches the x-axis and turns around