Use a graphing calculator to find the location of all relative extrema (to three decimal places).f(x) = x4 - 3x3 - 21x2 + 74x - 69
A. Relative maximum at x = 1.651; Relative minima at x = -3.045 and x = 3.824
B. Relative maximum at x = 1.604; Relative minima at x = -3.089 and x = 3.735
C. Relative maximum at x = 1.519; Relative minima at x = -3.098 and x = 3.656
D. Relative maximum at x = 1.656; Relative minima at x = -3.185 and x = 3.806
Answer: B
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Simplify. Write your answer in the form a + bi, where a and b are real numbers.Let z = 2 - 4i and w = 2 + 7i. Find zw.
A. 32 + 6i B. -28i2 + 6i - 4 C. -24 - 22i D. 32 - 6i
Solve the problem using Bayes' Theorem. Round the answer to the nearest hundredth, if necessary.For mutually exclusive events X1, X2, and X3, let P(X1) = 0.20, 
and 
Also, 
P(Y?X2) = 0.30, and P(Y?X3) = 0.60. Find P(X2?Y).
A. 0.65 B. 0.19 C. 0.48 D. 0.33
Find the limit algebraically.
(3x2 - 19)2
A. 100 B. -352 C. 256 D. 144
Determine whether the integral is convergent or divergent.
A. Divergent B. Convergent