Use a graphing calculator to graph the piecewise-defined function, using the window indicated.f(x) = 
; window [-10, 5] by [-10, 10]
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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Multiply the polynomials.(x + 3)(x2 - 3x + 9)
A. x3 + 6x2 + 6x + 27 B. x3 + 27 C. x3 - 6x2 - 6x + 27 D. x3 - 27
Mathematics
Solve the problem.Suppose 8 candidates a, b, c, d, e, f, g, h are involved in a Pairwise Comparison Method election. The number of pairwise comparisons each candidate wins is shown in the table. 
How many comparisons does candidate c win?
A. 8 B. 6 C. 7 D. 9
Mathematics
Determine the values of the given functions as indicated rounded to four decimal places. Find cos 105° by using 105° = 60° + 45°.
A. -0.2588 B. -0.7071 C. 0.2500 D. -0.9659
Mathematics
Find the missing complex number.
= 7 + 4i
A. 4 + 58i B. 52 + 26i C. 4 - 58i D. 24i2 + 58i + 28
Mathematics