Simplify. Write your answer in the form a + bi, where a and b are real numbers.(-5 + 6i) + (11 + 2i)
A. -6 + 8i
B. 6 + 8i
C. 6 + 10i
D. 11 + 8i
Answer: B
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Solve.2y - 6y = 13 - 5
A. 2 B. 30 C. -2 D. 8
Find the domain of the function.
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A. ?
B. ?
C. ?
D. ?
E. 
Perform the matrix operation.Given A = 
and B = 
, find AB.
A. 
B. 
C. 
D. 
Find the zeros of the polynomial function. State whether the graph crosses the x-axis, or touches the x-axis and turns around, at each intercept. x4 + 8x3 - 33x2 = 0
A. x = 0, touches the x-axis and turns around; x = 11, touches the x-axis and turns around; x = -3, touches the x-axis and turns around B. x = 0, touches the x-axis and turns around; x = 11, crosses the x-axis; x = -3, crosses the x-axis C. x = 0, touches the x-axis and turns around; x = -11, crosses the x-axis; x = 3, crosses the x-axis D. x = 0, crosses the x-axis; x = -11, crosses the x-axis; x = 3, crosses the x-axis