The given pattern continues. Write down the nth term of the sequence {an} suggested by the pattern.0, 2, 6, 12, 20, ...
A. an = n2 - n
B. an = 4n - 6
C. an = 2n - 2
D. an = 2n-1 - 1
Answer: A
Mathematics
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A. x-axis, y-axis, origin B. y-axis only C. x-axis only D. No symmetry
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Use a calculator to give the real number value. Round the answer to 7 decimal places.y = tan-1(-0.7002)
A. -0.6634921 B. -0.5761905 C. -0.6108602 D. 2.5317483
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Write the expression without using absolute value symbols.
?
?
__________ for 
What will be an ideal response?
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Multiply.-19 ? (-4)
A. -95 B. 95 C. -76 D. 76
Mathematics