Factor completely, if possible.49y4 - 16
A. (7y2 + 4)2
B. (7y2 - 4)2
C. (7y2 + 4)(7y2 - 4)
D. (49y2 + 1)(y2 - 16)
Answer: C
Mathematics
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Express the value of the inverse hyperbolic function in terms of natural logarithms.coth-1 
A. 
ln -15
B. 
ln 120
C. 0
D. 
ln 15
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Evaluate the integral.
dx
A. 
B. 0
C. 
D. 2
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Evaluate the line integral along the curve C.
ds , C is the path from (0, 0, 0) to (1, 1, 1) given by:C1: r(t) = ti, 0 ? t ? 1C2: r(t) = i + tj, 0 ? t ? 1C3: r(t) = i + j + tk, 0 ? t ? 1
A. 45 + 3e2 + ln 2 B. 17 + e2 C. 23 + e2 D. 43 + 2e2 + ln 2
Mathematics
Graph the function on the indicated interval.y = 
sin (?x), 0 ? x ? 2 
A. 
B. 
C. 
D. 
Mathematics