Solve the equation by the method of your choice. Simplify irrational solutions, if possible.x2 + 18x + 66 = 0
A. {-18 ± 
}
B. {-9 ± 
}
C. {9 ± 
}
D. {9 ± 
}
Answer: B
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Find the derivative of the function.y = 
A. y ' = 
B. y ' = 
C. y ' = 
D. y ' = 
Answer the question.Bob chose one of the numbers 1, 2, 3, . . . , 128 and challenged Betty to determine the number by asking questions to which Bob would answer 'yes' or 'no'. What is the minimum number of questions that Betty must ask to be certain of guessing the correct number?
A. 64 questions B. 12 questions C. 7 questions D. 32 questions
Find the average rate of change for the function between the given values.f(x) = 
; from 1 to 4
A. - 
B. 
C. -2
D. -28
Write an equation for the graph given. The graph represents an logarithmic function f with base 2 or 3, translated and/or reflected.
A. log2(-x + 3) B. -log2(x - 3) C. -log2(x + 3) D. -log2(-x - 3)