The given pattern continues. Write down the nth term of the sequence {an} suggested by the pattern.0, 2, 6, 12, 20, ...
A. an = 4n - 6
B. an = 2n-1 - 1
C. an = 2n - 2
D. an = n2 - n
Answer: D
Mathematics
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Round the decimal to the given place value.5.56052 (nearest thousandth)
A. 5.661 B. 5.561 C. 5.461
Mathematics
Simplify the expression. Assume that all variables are positive.
A. x17/3
B. x13/3
C. 
D. 
Mathematics
Find the maximum or minimum value of the given objective function of a linear programming problem. The figure illustrates the graph of feasible points. 
z = x + 6y. Find maximum.
A. maximum: 32 B. maximum: 16 C. maximum: 21 D. maximum: 26
Mathematics
Multiply and simplify any radicals in your answer. Assume that all variables represent positive real numbers.(-7
)(-10
)
A. 70
B. -17
C. -70x
D. 70y
Mathematics