Solve using the multiplication principle.38.2x = 114.6
A. 76.4
B. 
C. 3
D. 111.6
Answer: C
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Provide an appropriate response.An employer offers medical, dental, and life insurance to both salaried and unsalaried employees. She describes her annual costs for these benefits in a matrix, and finds that, after employee contributions, only medical insurance requires an employer contribution of $20,000 for salaried and $15,000 for unsalaried employees. Construct a matrix which shows this result.
What will be an ideal response?
Solve the problem.Suppose that a continuous random variable has a joint probability density function given byf(x, y) = y2 - 2y + 
xy - 
x + 
, 1 ? x ? 5, 0 ? y ? 1 Find the probability that a point is in the region bounded by 2 ? x ? 5 and 0 ? y ? 1.
A. 
B. 
C. 
D. 
Find the domain of the given function f and find where it is increasing and decreasing, and also where it is concave upward and where it is concave downward. Identify all extreme values and points of inflection. Then sketch the graph of y = f(x). f(x) = 
What will be an ideal response?
Simplify by factoring.
A. -2k4 B. 8k4 C. 2k15 D. 2k4