Perform the indicated operation. Assume that all variables represent nonnegative real numbers.12
+ 10
A. -2
B. 22
C. 22
D. 22
Answer: B
Mathematics
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Find x and y: -2x + y = 2; x - 3y = 6
a. 2 3 x = 4Ä y = -2Ä 5 5 b. 4 4 x = 2Ä y = -2Ä 5 5 c. 2 4 x = -2Ä y = -2Ä 5 5 d. 4 2 x = -2Ä y = -2Ä 5 5 e. 2 4 x = 2Ä y = 2Ä 5 5
Mathematics
Expand, where i2 = -1.
4
A. 1 - i B. -1 C. 1 D. 1 + i
Mathematics
Determine the intervals of the domain over which the function is continuous.
A. (0, ?) B. (-?, 2); (2, ?) C. (-?, -2); (-2, ?) D. (-?, ?)
Mathematics
Perform the indicated operations and simplify the result. Leave the answer in factored form.
A. 
B. 
C. 
D. 
Mathematics