Find the LCD of the given rational expressions.
, 
A. (x - 2)(x - 6)
B. (x + 5)(x + 2)(x - 6)
C. (x - 5)(x - 2)
D. (x - 5)(x - 2)(x - 6)
Answer: D
Mathematics
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Find the values of x for which the geometric series converges.
A. -8 < x < -7 B. -9 < x < -8 C. -9 < x < -7 D. -8 < x < 8
Mathematics
Find all specified roots.Cube roots of 1.
A. 1, 
+ 
i, - 
+ 
i
B. -1, 1
C. 1, 
- 
i, - 
- 
i
D. 1, - 
+ 
i, - 
- 
i
Mathematics
Solve the problem.The efficiency e (in percent) of an automobile engine is given by 
where s is the speed 
of the car. Find the average efficiency with respect to the speed for 
to 
A. 32.8% B. 34.5% C. 29.8% D. 64.4%
Mathematics
Use the accompanying graph of y = f(x) to sketch the graph of the indicated equation.y = f(x + 2)
A. 
B. 
C. 
D. 
Mathematics