Perform the indicated operation.Express 94 × 81 as a power of 3.
A. 38
B. 39
C. 310
D. 312
Answer: D
Mathematics
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Solve the problem.Evaluate 
at (u, v) = (3, 2) for the function w(x, y, z) = xz + yz - z2; x = uv, y = uv, z = u.
A. 24 B. 18 C. -6 D. 0
Mathematics
Solve the problem.On the day when Julie left for her vacation, the function that converted U.S. dollars to British pounds was f(x) = 0.54521x, where x is the number of U.S. dollars and f(x) is the number of British pounds. Find the inverse function.
A. f-1(x) = 
B. f-1(x) = 
C. f-1(x) = 
D. f-1(x) = x - 0.54521
Mathematics
Find the determinant.det 
A. -8 B. 18 C. -66 D. -18
Mathematics
The graphs of the equations 
and 
are the same line.
Answer the following statement true (T) or false (F)
Mathematics