Write the given decimal as an infinite series, then find the sum of the series, and finally, use the result to write the decimal as a ratio of two integers.1.636363 . . .
A. 1
B. 16
C. 1
D. 
Answer: C
Mathematics
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Match the equation to the correct graph.y = - 
(x + 2)2 - 4
A. 
B. 
C. 
D. 
Mathematics
Determine the domain and range of the relation.{(1, -2), (9, -9), (5, -7), (0, 0)}
A. Domain: {1, 9, 5, 0}; range: {-2, -9, -7, 0} B. Domain: {1, 9, 5}; range: {-2, -9, -7} C. Domain: {1, -9, 5, 0}; range: {-2, -9, -7, 0} D. Domain: {1, 9, 5, 0}; range: {2, -9, -7, 0}
Mathematics
Solve.
+ 
= -1
A. 0
B. 1
C. No solution
D. 
Mathematics
Solve the equation on the interval 0 ? ? < 2?.cos2 ? + 2 cos ? + 1 = 0
A. 
, 
B. ?
C. 2?
D. 
, 
Mathematics