Determine the number of subsets of the set.A set of days of the week
A. 127
B. 128
C. 256
D. 124
Answer: B
Mathematics
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Calculate the flow in the field F along the path C.F = ?(xy2z3); C is the line segment from (3, 1, 1) to (4, 1, -1)
A. 8 B. 11 C. -2 D. -7
Mathematics
Write the vector v in the form ai + bj, given its magnitude 
and the angle ? it makes with the positive x-axis.
= 15, ? = 180°
A. v = -15j B. v = 15j C. v = -15i - 15j D. v = -15i
Mathematics
Find the average value of the function f over the given region.f(x, y) = sin 3(x + y); R = 
A. 
B. 
C. 4?2
D. ?2
Mathematics
List the elements in the sample space of the experiment.A 6-sided die is rolled. The sides contain the numbers 1, 2, 3, 4, 5, 6. List the sample space of rolling one die.
A. None of these B. {6} C. {36} D. {1, 2, 3, 4, 5, 6}
Mathematics