Find the maximum or minimum value of the given objective function of a linear programming problem. The figure illustrates the graph of feasible points. 
z = x + 6y. Find maximum.
A. maximum: 32
B. maximum: 16
C. maximum: 21
D. maximum: 26
Answer: A
Mathematics
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Find the length of the curve with the given vector equation.r(t) = 4ti + 
j + 
k; -9? t ? 6
A. -75 B. 75 C. 375 D. -15
Mathematics
Answer the question(s) based on the following situation: A dishonest coin (landing heads 
of the time) is tossed 1350 times. The random variable X denotes the total number of heads that come up in the 1350 tosses.Assuming that there are no outliers, what is the range for this distribution?
A. approximately 54 B. approximately 108 C. approximately 36 D. approximately 81 E. none of these
Mathematics
Find the value of the expression.
A. 
B. 
C. 
D. 
Mathematics
Solve the equation.42n2 + 35n = 0
A. 0, - 
B. 0, 
C. 
, - 
D. 0
Mathematics