Find all cube roots of the complex number. Leave answers in trigonometric form.-125
A. 5 cis 180°, 5 cis 0°
B. 5 cis 60°, 5 cis 180°, 5 cis 300°
C. 5 cis 120°, 5 cis 180°, 5 cis 300°
D. 5 cis 30°, 5 cis 150°, 5 cis 270°
Answer: B
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Given y = f(u) and u = g(x), find dy/dx = f'(g(x))g'(x).y = u(u - 1), u = x2 + x
A. 4x3 + 6x2 - 2x B. 2x2 + 4x C. 4x3 + 6x2 - 1 D. 2x2 + 4x + 1
Perform the indicated operations. Write the resulting polynomial in standard form.(-3x + 2y)(2x - 4y)
A. -6x2 + 16xy + 16y2 B. -6x2 + 12xy - 8y2 C. -6x2 + 16xy - 8y2 D. -6x2 + 4xy - 8y2
Solve. Give your answer as a mixed numeral.A small company sells stock for 8
dollars per share. How much will 288 shares cost?
A. 2,412 dollars
B. 288 dollars
C. 34
dollars
D. 291 dollars
Use the REGRESSION feature on a graphing calculator.Since 1984 funeral directors have been regulated by the Federal Trade Commission. The average cost of a funeral for an adult in a Midwest city has increased, as shown in the following table. 
Let x represent the number of years since 1980. Use a graphing calculator to fit a quartic function to the data. Round your answer to five decimal places.
A. y = -2.047489x2 + 212.82699x + 1879.85469 B. y = 170.5971x + 1991.5213 C. y = -0.04268x4 + 1.53645x3 - 16.76289x2 + 231.82723x + 1927.58518 D. y = -0.04268x4