Identify the number as real, complex, pure imaginary, or nonreal complex. More than one of these descriptions may apply.?
A. Complex
B. Nonreal complex
C. Complex, pure imaginary, nonreal complex
D. Real, complex
Answer: D
Mathematics
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Find the vertex of the parabola.f(x) = -x2 + 3x - 6
A. 
B. 
C. (-3, -24)
D. (3, -6)
Mathematics
Use a calculator and the change-of-base formula to find the logarithm to four decimal places.log5 30.99
A. 1.4912 B. 6.1980 C. 0.4687 D. 2.1335
Mathematics
Use a graphing calculator to graph the parabola.2.3(y - 0.4)2 = 0.1(x + 3.9)
A. y = 0.4 ± 
B. y = 0.4 ± 
C. y = -0.4 ± 
D. y = -0.4 ± 
Mathematics
Insert < or > between the pair of numbers to form a true statement.-99 _____ -10
A. < B. >
Mathematics