Solve the system to the nearest 0.1 for each variable by using a graphing calculator.4x = y - 15x = -4.0y + 5
A. x = 0.0; y = 1.2
B. x = 0.3; y = 1.3
C. x = 0.1; y = 1.5
D. x = -0.1; y = 0.9
Answer: A
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Evaluate the integral.
A. - 
(7x2 + 3)-6 + C
B. - 
(7x2 + 3)-4 + C
C. - 
(7x2 + 3)-4 + C
D. - 
(7x2 + 3)-6 + C
Find the surface area of the surface S.S is the portion of the paraboloid z = 16 - x2 - y2 that lies above the ring 1 ? x2 + y2 ? 9 in the 
A. 
[37
- 5
]
B. 
[37
- 5
]
C. 
[37
- 5
]
D. 
[37
- 5
]
Identify where f is increasing and where f is decreasing.f(x) = 6x - x2
A. increasing: (-?, 3]; decreasing [3, ?) B. increasing: [6, ?); decreasing (-?, 6] C. increasing: (-?, 6]; decreasing [6, ?) D. increasing: [3, ?); decreasing (-?, 3]
Write an equation in slope-intercept form of the line satisfying the given conditions.Parallel to the line x = -5; containing the point (4, 2)
A. x = 4 B. y = -5 C. x = 2 D. y = 2