The nth term of a sequence is given. Find the first 4 terms.an = (-1)n-1(3n - 7)
A. -4, -1, 2, 5
B. 4, -1, -2, -5
C. -4, 1, 2, -5
D. -4, -13, 2, -5
Answer: C
Mathematics
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Use a trigonometric substitution to evaluate the integral.
A. sec-1 (ex) + C
B. sin-1 (ex) + C
C. -2
+ C
D. ex sin-1 (ex) + C
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Decide whether the statement is true or false.If p is false then the statement q ? (~p ? q) must be true.
A. True B. False
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Test the vector field F to determine if it is conservative.F = 
i + 
j - 
k
A. Not conservative B. Conservative
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Use a calculator to find the approximate value of the expression rounded to two decimal places.cos 9°
A. 0.99 B. 0.91 C. -0.91 D. -0.99
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