Solve the system by either elimination or substitution. Verify your work by using "intersect" on your graphing calculator of by checking that your result satisfies both equations of the system.
- 
= 0
- 
= 0
A. (8, 10)
B. empty set solution; inconsistent system
C. all points on the line 
= 
; dependent system
D. (10, 8)
Answer: D
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Solve the problem.A balloon used in surgical procedures is cylindrical in shape. As it expands outward, assume that the length remains a constant 
Find the rate of change of surface area with respect to radius when the radius is 
(Answer can be left in terms of ?).
A. 60.16? mm2/mm B. 120.0? mm2/mm C. 60.32? mm2/mm D. 120.32? mm2/mm
Find the domain of the indicated combined function.Find the domain of (fg)(x) when f(x) = 
and g(x) = 
.
A. Domain: [0, ?)
B. Domain: (-?, ?)
C. Domain: 
D. Domain: 
Use Gaussian elimination to find the complete solution to the system of equations, or state that none exists. x + y + z + w = 8 3x + 2y + z + 4w = 214x + 4y + 5z + 8w = 302x + 3y + 6z + 9w = 15
A. ? B. {(-3, 16, -6, 1)} C. {(5w + 11, -3w - 7, -3w + 4, w)} D. {(-6w + 3, 9w + 7, -4w - 2, w)}
Provide an appropriate response.Find the slope of a line parallel to the line containing the points (1, 1) and (-2, -2).
A. 2 B. 0 C. -1 D. 1