Find the angle.tan-1 -1
A. 
B. - 
C. 
D. - 
Answer: B
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If the equation represents a hyperbola, find the center, foci, and asymptotes. If the equation represents an ellipse, find the center, vertices, and foci. If the equation represents a circle, find the center and radius. If the equation represents a parabola, find the focus and directrix. y2 + 8x + 2y - 15 = 0
A. F: 
; D: y = 
B. F: (0, -1); D: x = 4
C. F: (4, 2); D: y = 0
D. F: (-6, 2); D: y = -10
Evaluate the integral by using a substitution prior to integration by parts.
A. 
- 
ln (x + 
) + C
B. 
+ 
ln (x + 
) + C
C. 
+ 
ln (x + 
) + C
D. 
- 
ln (x + 
) + C
Solve the problem.Find the effective rate corresponding to the nominal rate. 6% compounded monthly. Round to the nearest hundredth.
A. 6.12% B. 6.26% C. 6.23% D. 6.17%
Simplify.(-1)13
A. 13 B. -1 C. -13 D. 1