Which of the following points satisfy the linear inequality 2x + 4y ? 7?
A. (1, 1)
B. (0, 2)
C. (2, 4)
D. (-1, 3)
E. none of these
Answer: A
Mathematics
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Divide.
A. 1400 B. 35,000 C. 14,000 D. 3,500,000
Mathematics
Solve the equation by the square root property. If possible, simplify radicals or rationalize denominators. Express imaginary solutions in the form 
2 = 
A. 
B. 
C. 
D. 
Mathematics
Find a formula for the nth partial sum of the series and use it to find the series' sum if the series converges.
+ 
+ 
+ ... + 
+ ...
A. 
; 4
B. 
; 4
C. 
; 4
D. 
; 4
Mathematics
Find all values that make the rational expression undefined. If the rational expression is defined for all real numbers, so state.
A. a = 8, a = 4 B. a = 8 C. a = -8 D. Defined for all real numbers
Mathematics