Factor by grouping.cy + y - c - 1
A. (y + 1)(c + 1)
B. (y + 1)(c - 1)
C. (y - 1)(c + 1)
D. (y - 1)(c - 1)
Answer: C
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Find the power series representation for f(x).f(x) = xe-2x
A. x - 2x2 + 
- 
+ . . .
B. 1 - 2x + 
- 
+ . . .
C. 1 - 2x2 - 
- 
- . . .
D. x + 2x2 + 
+ 
+ . . .
Solve. Write the fraction in simplest form.Approximately 
of a worldwide corporation's employees live and work in the United States. If 5,520 employees live and work in the United States, how many employees does the corporation have worldwide?
A. 920 employees B. 1,104 employees C. 6,624 employees D. 4,600 employees
Solve the system by the elimination method. x + 2y = -132x + 2y = -12
A. {(2, 1)} B. {(-1, -8)} C. ? D. {(1, -7)}
If y varies directly as x, find a linear function which relates them.y = 0.4 when x = 0.2
A. f(x) = 2x B. f(x) = x + 0.2 C. f(x) = 0.5x D. f(x) = 0.2x