Find the real zeros of the function. List the x-intercepts of the graph of the function.f(x) = x4 - 81
A. x = -9, x = 9
B. x = -3, x = 3
C. x = -
, x = 
D. no real solution
Answer: B
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Use De Moivre's theorem to evaluate the expression. Write the result in standard form.(4(cos 30° + i sin 30°))3
A. 64i B. -64 C. -64i D. 64
Solve the quadratic equation. Write the answer in simplest form.(11x - 2)2 = -32
A. 
B. 
C. 
D. 
Subtract the polynomials.(3x5 + 14x4 + 14) - (9x5 - 10x4 - 16)
A. -6x5 + 24x4 + 30 B. 48x9 C. -6x5 + 24x4 - 2 D. -6x5 + 23x4 - 2
Two planes leave an airport at the same time. Their speeds are 140 miles per hour and 150 miles per hour, and the angle between their courses is 33°. How far apart are they after 1.5 hours? ? Apply the rules regarding the use of significant digits after all computations are complete. ? __________ mi
Fill in the blank(s) with the appropriate word(s).