Perform the indicated operation. Write the result in the form a + bi.
? 
A. 6
B. 6i
C. -6i
D. -6
Answer: B
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Find the absolute extreme values of the function on the interval.f(x) = csc x, - 
? x ? 
A. absolute maximum is 0 at x = -?; absolute minimum is -1 at x = ? B. absolute maximum does not exist; absolute minimum does not exist C. absolute maximum is -1 at x = ?; absolute minimum is 1 at x = 0 D. absolute maximum is 1 at x = ?; absolute minimum is -1 at x = ?
Decide whether the statement is true or false. If the statement is false, give an example to show that it is false.A circuit can be both a Hamilton circuit and an Euler circuit.
Fill in the blank(s) with the appropriate word(s).
Graph the system of inequalities. Shade the region that represents the solution set.y? x2x + y? 2
A. 
B. 
C. 
D. 
Write using exponential notation.9 ? 9 ? 3 ? 3 ? 3 ? 3
A. 92 ? 34 B. 276 C. 29 ? 43 D. 9 ? 36