For the scatterplot below, determine which, if any, of the following functions might be used as a model for the data. Quadratic: f(x) = ax2 + bx + c Polynomial, not quadratic Exponential, f(x) = aekx, k > 0 Exponential, f(x) = ae-kx, k > 0 Logarithmic, f(x) = a + b ln x Logistic, f(x) = 
Year
A. Polynomial, not quadratic
B. Exponential, f(x) = aekx, k > 0
C. Exponential, f(x) = ae-kx, k > 0
D. Logistic, f(x) = 
Answer: C
Mathematics
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A. Domain = (-?, ?); range = (-3, ?) B. Domain = (-?, ?); range = (-?, -3) C. Domain = (-?, ?) ? (-?, ?); range = (-?, -3) D. Domain = = (-?, ?); range = (-?, -3]
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Find the absolute value
?
?
A. 
B. 
C. 
D. 
E. 
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Graph the inequality.y ? -2x + 1
A. 
B. 
C. 
D. 
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Out of a collection of 100 coins one old coin has heads on both sides. A coin is selected at random from the collection and tossed once. It comes up heads. Find the probability it was the two-headed coin.
What will be an ideal response?
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