Solve the inequality.x2 + 8x ? 0
A. [0, 8]
B. (-?, -8] or [0, ?)
C. (-?, 0] or [8, ?)
D. [-8, 0]
Answer: B
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Sketch the graph of a function y = f(x) that satisfies the given conditions.f(0) = 0, f(1) = 3, f(-1) = -3, 
f(x) = -2, 
f(x) = 2.
What will be an ideal response?
Answer the question.Darcy chose one of the numbers 1, 2, 3, ... , 32 and challenged Derick to determine the number by asking questions to which Darcy would answer 'yes' or 'no'. What is the minimum number of questions that Derick must ask to be certain of guessing the correct number?
A. 4 questions B. 16 questions C. 5 questions D. 32 questions
Find any values of the variable that make the expression undefined.
A. -2 B. 2, -2 C. 0 D. None
Find 
. Write your answer in standard polar form with the argument in radians.z1 = 5(cos 200° + i sin 200°), z2 = 4(cos 50° + i sin 50°)
A. 
(cos 150° - i sin 150°)
B. 
(sin 150° + i cos 150°)
C. 
(cos 250° + i sin 250°)
D. 
(cos 150° + i sin 150°)