Use a graphing calculator to solve the system of equations. Round your solutions to one decimal place.1.5x+ 3.1y- 2.3z+ 0.6w= 2.76.1x- 0.5z- 3.4w= 0.8 11.5y- 2.2w= 04.0x+ 3.0y- 2.1z= 9
A. (3.6, 1.1, 4.1, 5.6)
B. (7.9, 2.4, 9.0, 12.3)
C. (3.2, 1.0, 3.7, 5.0)
D. (4.3, 1.3, 4.9, 6.7)
Answer: A
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Find all horizontal asymptotes of the given function, if any. f(x) = 
A. y = 0 B. no horizontal asymptotes C. y = -1 D. y = -4, y = 4
Rationalize the denominator.
A. -1 - 
B. -1 + 
C. 1 + 
D. 1 - 
Solve the problem.Find the foci and asymptotes of the following hyperbola:25x2 - y2 = 25
A. Foci: (5, 0), (-5, 0); Asymptotes: y = 
x, y = - 
x
B. Foci: (0, 
), (0, -
); Asymptotes: y = 5x, y = -5x
C. Foci: (
, 0), (-
, 0); Asymptotes: y = 
x, y = - 
x
D. Foci: (
, 0), (-
, 0); Asymptotes: y = 5x, y = -5x
Write the equation in standard form for an ellipse centered at (h, k). Identify the center and the vertices.5x2 + 3y2 + 12y - 3 = 0
A. C(-2, 0); V(-2, ±
); 
+ 
= 1
B. C(-2, 0); V(±2, 
); 
+ 
= 1
C. C(0, -2); V(0, -2 ± 
); 
+ 
= 1
D. C(0, -2); V(±
, -2); 
+ 
= 1