Find a formula for the nth term of the sequence.1, - 
, 
, - 
, 
(reciprocals of squares with alternating signs)
A. an = 
B. an = 
C. an = 
D. an = 
Answer: A
Mathematics
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The figure shows the graph of a function. At the given value of x, does the function appear to be differentiable, continuous but not differentiable, or neither continuous nor differentiable?x = -1
A. Differentiable B. Continuous but not differentiable C. Neither continuous nor differentiable
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Solve the exponential equation and approximate the result, correct to three decimal places.2e2x + 5 = 6
A. 0.500 B. -1.951 C. 3.049 D. -2.052
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Write the number in standard notation.80,000 + 9000 + 5
A. 80,000 + 905 B. 89,005 C. 80,905 D. 8905
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Write an equivalent logarithmic equation.104 = 10,000
A. log10,000 10 = 4 B. log10 10,000 = 4 C. log10 4 = 10,000 D. log4 10,000 = 10
Mathematics