Graph the function and then find the specified limit. When necessary, state that the limit does not exist.y = 
- 2; 
f(x) 
A. 
f(x) = 0
B. 
f(x) = 2
C. 
f(x) = -2
D. 
f(x) = 0
Answer: C
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Solve the logarithmic equation symbolically.5 ln x = 4
A. x = e-1
B. x = e4/5
C. x = 20e
D. x = 
Solve the problem.The diagram below shows a rope connecting the top of a pole to the ground. The rope is 21 yd long and touches the ground 18 yd from the pole. How tall is the pole? Round approximations to the nearest tenth. 
18 yd
A. 10.8 yd B. 5.4 yd C. 58.5 yd D. 19.5 yd
Find the vertices and foci of the hyperbola.
- 
= 1
A. Vertices: (-2, 4), (-2, -12); Foci: (-2, 6), (-2, -14) B. Vertices: (2, -2), (-10, -2); Foci: (-10, -2), (2, -2) C. Vertices: (4, -2), (-12, -2); Foci: (6, -2), (-14, -2) D. Vertices: (-2, 2), (-2, -10); Foci: (-2, -10), (-2, 2)
Find all values x = a where the function is discontinuous.f(x) = 
A. a = -5 B. a = 5 C. a = 10 D. Nowhere