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) = 
A. Logarithmic, f(x) = a + b ln x
B. Logistic, f(x) = 
C. Exponential, f(x) = aekx, k > 0
D. Exponential, f(x) = ae-kx, k > 0
Answer: C
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Translate the sentence into an equation. Use x to represent the unknown number. Do not solve.The sum of twice a number and 6 is 14.
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