Find the domain of f. Write your answer in interval notation.f(x) = 
A. 
B. 
C. 
D. 
Answer: B
Mathematics
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Set up an integral for the length of the curve.y = 2 cot x, 
? x ? 
A. 
B. 
C. 
D. 
Mathematics
Solve by the elimination method.x + 4y = 157x + y = 16
A. 
B. 
C. 
D. 
Mathematics
Find the sum of the series, if possible.
A. -1
B. Not possible
C. 
D. - 
Mathematics
Find the equation of the tangent line at the given point on the curve.x2 + 3y2 = 13; (1, 2)
A. y = 
x + 
B. y = 
x + 
C. y = - 
x + 
D. y = - 
x + 
Mathematics