Find the nth, or general, term for the geometric sequence.16, 4, 1, ...
A. an = 4n
B. an = 4n-1
C. an = 4(n - 1)
D. an = 43-n
Answer: D
Mathematics
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Evaluate 
.g(x, y, z) = 6z; G: x + y + z = 1, 0 ? x? 4, 0 ? y ? 3
A. 216
B. -216
C. - 180
D. 360
Mathematics
Find the unit vector having the same direction as v.v = -3i + j
A. u = - 
i + 
j
B. u = - 
i - 
j
C. u = -3
i + 
j
D. u = - 
i + 
j
Mathematics
Find the product.(n + 5)2
A. n + 25 B. n2 + 25 C. 25n2 + 10n + 25 D. n2 + 10n + 25
Mathematics
Use the order of operations to simplify the expression.4 ? [2(2 - 6) - 3]
A. 16 B. 12 C. -44 D. -20
Mathematics