Define a relation R from {a, b, c} to {u, v} as follows: R = {(a, v), (b, u), (b, v), (c, u)}.
(a) Draw an arrow diagram for R.
(b) Is R a function? Why or why not?
Mathematics
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Find the average value of 
over the given region.
+ z2 over the cube in the first octant bounded by the coordinate planes and the planes 
, 
, 
A. 162 B. 81 C. 9 D. 243
Mathematics
Write as a proportion.56 is to 72 as 7 is to 9.
A. 
= 
B. 
= 
C. 
= 
D. 
= 
Mathematics
Classify the statement as either true or false.The graph of f-1 is a reflection of the graph of f across the line y = x.
A. False B. True
Mathematics
Solve the equation.0.10(70) + 0.70x = 0.40(70 + x)
A. {35} B. {70} C. {80} D. {60}
Mathematics