Complete the identity.
= ?
A. sec x - tan x + 1
B. sec x - tan x
C. sec x + tan x
D. -sec x - tan x
Answer: B
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Find the nth term of the geometric sequence with the given values.4, -12, 36, . . . ; n = 6
A. 2916 B. -972 C. -8748 D. -243
Use the square root property to find all real or imaginary solutions to the equation.(2s + 6)2 = 25
A. 
B. 
C. 
D. 
Solve the problem.Barbara knows that she will need to buy a new car in 2 years. The car will cost $15,000 by then. How much should she invest now at 8%, compounded quarterly, so that she will have enough to buy a new car?
A. $13,868.34 B. $12,802.36 C. $11,907.48 D. $13,888.89
Specify the coordinates of the vertices and foci and find the equations of the asymptotes of the given hyperbola.
- 
= 1
A. Vertices: (±11, 0); foci: (±10, 0); asymptotes: y = ±
x
B. Vertices: (±10, 0); foci: (±
, 0); asymptotes: y = ±
x
C. Vertices: (0, ±11); foci: (±
, 0); asymptotes: y = ±
x
D. Vertices: (±11, 0); foci: (±
, 0); asymptotes: y = ±
x