Decide whether the relation is a function.
A. Function
B. Not a function
Answer: B
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Find the flux of the vector field F across the surface S in the indicated direction.F(x, y, z) = 9xi + 9yj + 9zk , S is the surface of the sphere x2 + y2 + z2 = 4 in the first octant, direction away from the origin
A. 24? B. 36? C. 0 D. 72?
Determine the Shapley-Shubik index of each voter in the weighted voting systemThe ethics committee at Boston College consists of six (A)dministrators, four (F)aculty members, three Student (P)residents from various organizations, and two (C)ommute Students. Assume each of these four groups votes in a bloc. To enact policy changes, a vote of at least 9 is required.
A. A has an index of 
; C and P have an index of 
, F has an index of 
.
B. A has an index of 
; F, C, and P have an index of 
.
C. A has an index of 
; F and P have an index of 
, C has an index of 
.
D. All have an index of 
.
The graph of a function f is given. On the same axes, sketch the graph of f-1. 
A. 
B. 
Find the coordinates of the vertex and the direction of opening of each parabola.x = -(y + 2)2 + 2
A. (2, -2) opens left B. (-2, -2) opens left C. (2, 0) opens right D. (0, 2) opens right