Solve the equation.
= 
+ 8
A. {20}
B. {40}
C. {32}
D. 
Answer: D
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Solve the problem.Find the foci and asymptotes of the following hyperbola:
- 
= 1
A. Foci: (0, -15), (0, 15); Asymptotes: y = 
x, y = - 
x
B. Foci: (-25, 0), (25, 0); Asymptotes: y = 
x, y = - 
x
C. Foci: (0, -25), (0, 25); Asymptotes: y = 
x, y = - 
x
D. Foci: (-15, 0), (15, 0); Asymptotes: y = 
x, y = - 
x
Find the formula for df-1/dx.f(x) = x5/7
A. x-2/5
B. 
x-2/7
C. 
x2/5
D. x7/5
Find the slope of the line that passes through the given two points. If the slope is undefined, state this.(2, -5) and (2, 3)
A. 2 B. Undefined C. 4 D. 8
For the given functions f and g, find the requested function and state its domain.f(x) = 4 - 8x; g(x) = -2x + 8Find f + g.
A. (f + g)(x) = -6x + 12; {x|x ? - 2} B. (f + g)(x) = -2x + 4; {x| x ? 2} C. (f + g)(x) = 2x; all real numbers D. (f + g)(x) = -10x + 12; all real numbers