Identify the conic that the polar equation represents. Also, give the position of the directrix.r = 
A. parabola, directrix parallel to the polar axis 3 above the pole
B. hyperbola, directrix parallel to the polar axis 3 above the pole
C. parabola, directrix perpendicular to the polar axis 3 right of the pole
D. hyperbola, directrix perpendicular to the polar axis 3 right of the pole
Answer: A
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Use L'H
pital's rule to find the limit.
A. e17 B. e20 C. e16 D. 0
Find the length of the curve.The line segment r = 9 sec ?, 0 ? ? ? 
A. 9 ln
B. 
(
+ ln(
+ 1))
C. 
D. 9
Solve the initial value problem.Differential Equation: 
= (4 sec 4t tan 4t) i + 
j + t2kInitial Condition: r(0) = 3i + 
j - 3k
A. r(t) = (csc 4t + 2)i + 
j + 
k
B. r(t) = (sec 4t + 2)i + 
j + 
k
C. r(t) = (sec 4t + 2)i - 
j + 
k
D. r(t) = (csc 4t + 2)i + 
j + (t3 - 3)k
Provide an appropriate response.Find the sum of 1946 and 325.
A. 2171 B. 2261 C. 5196 D. 2271