Graph the function.y = -3 cos (2?x + 4?)
A. 
B. 
C. 
D. 
Answer: B
Mathematics
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Find the number of subsets of the set.{7, 8, 9}
A. 6 B. 3 C. 7 D. 8
Mathematics
Solve the problem.Find the length of the segment of the curve y = 
cosh 2x from x=0 to x = ln 
.
A. 
B. 
C. 6
D. 
Mathematics
Refer to the weighted voting system 
and the Shapley-Shubik definition of power. (The four players will be called P1, P2, P3, and P4.)The Shapley-Shubik power index of player P4 is
A. 
.
B. 
.
C. 
.
D. 0.
E. none of these
Mathematics
Give the domain and range for the rational function. Use interval notation.f(x) = 
+ 3
A. Domain: (-?, 0) ? (0, ?); Range: (-?, 3) ? (3, ?) B. Domain: (-?, 2) ? (2, ?); Range: (-?, 3) ? (3, ?) C. Domain: (-?, 3) ? (3, ?); Range: (-?, 0) ? (0, ?) D. Domain: (-?, 0) ? (0, ?); Range: (-?, -3) ? (-3, ?)
Mathematics