Simplify. Express in terms of i.3 - 
A. -4
B. 3 + 7i
C. 3 - 7i
D. -4 + i
Answer: D
Mathematics
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Write the inequality using interval notation. Graph the inequality.2 < x ? 6
A. [2, 6]
B. (2, 6]
C. (2, 6)
D. [2, 6)
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Determine whether the equation is quadratic.4x2 - 3 = 0
A. No B. Yes
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Find the exact value of y, or state that y is undefined.y = sec-1 
A. - 
B. 
C. 
D. - 
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Divide. If the division is not possible, write "undefined."
A. 9 B. 7 R8 C. 8 D. 7 R7
Mathematics