Find the vertical asymptotes of the rational function. f(x) = 
A. x = 0, x = -5, x = 5
B. x = -5, x = 5
C. x = 0, x = 5
D. x = 0, x = -5
Answer: D
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Decide which variable has a coefficient of 1 or -1, and solve for that variable in terms of the other variable.
2y – x = 7 A. x = 2y + 7 B. x = 7y + 2 C. x = 7y – 2 D. x = 2y – 7 E. x = 7 – 2y
Use mathematical induction to prove the statement is true for all positive integers n.9 + 2 ? 9 + 3 ? 9 + ... + 9n = 
What will be an ideal response?
Find: a. The center and radius of the circle. b. The x- and y-intercepts of the graph of the circle.x2 + y2 - 4x + 4y - 1 = 0
A. a. center = (-2, -2); radius = 3
b. (2 + 
, 0), (0, -2 + 
)
B. a. center = (-2, 2); radius = 9
b. (2 + 
, 0), (0, -2 + 
)
C. a. center = (2, -2); radius = 3
b. (-2 + 
, 0), (-2 - 
, 0), (0, 2 + 
), (0, 2 - 
)
D. a. center = (2, -2); radius = 3
b. (2 + 
, 0), (2 - 
, 0), (0, -2 + 
), (0, -2 - 
)
Solve the problem.For what numbers ? is f(?) = cot ? not defined?
A. all real numbers
B. odd multiples of ? (180°)
C. odd multiples of 
(90°)
D. integral multiples of ? (180°)