Find the vertical asymptote(s), if any, of the graph of the rational function. f(x) = 
A. x = 4
B. x = -4
C. x = 2, x = -2
D. no vertical asymptote
Answer: D
Mathematics
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Graph the pair of parametric equations with the aid of a graphing calculator.x = 6 cos t + 2 cos 3t, y = 6 sin t - 2 sin3t, 0 ? t ? 2?
A. 
B. 
C. 
D. 
Mathematics
Use the substitution formula to evaluate the integral.
A. 
B. 
C. 
D. 
Mathematics
Find an equation of the tangent line at the indicated point on the graph of the function.y = f(x) = x2 + 1, (x, y) = (-2, 5)
A. y = -2x - 3 B. y = -4x - 6 C. y = -4x - 3 D. y = -4x - 7
Mathematics
List the intercepts of the graph. 
A. (-2, 0), (0, 4), (2, 0) B. (-2, 0), (2, 0) C. (-4, 0), (0, 4), (4, 0) D. (-2, 0), (0, 2), (2, 0)
Mathematics