Determine what kind of function might be used as a model for the data.
A. Linear: f(x) = mx + b
B. Polynomial, but neither quadratic nor linear
C. Quadratic: f(x) = ax2 + bx + c, a < 0
D. Quadratic: f(x) = ax2 + bx + c, a > 0
Answer: D
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A. 
B. 
C. 
D. 
Express the number in decimal notation.4.14 × 10-4
A. 0.0000414 B. -414,000 C. 0.000414 D. 0.00414
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A. 1 B. 2 C. 5 D. 3
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where 
(Round to the nearest decibel.)
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