19.

For the scatterplot on the right, determine which, if any, of these functions might be used as a model for the data Quadratic ((x) = ax + bx + c Polynomial, not quadratic Population (in thousands) Exponential f(x) = a ex, Exponential f(x) = ae , kso a Logarithmic: a + b In x Logistic f(x) = 1+be -kx 0 1 234 5678 x Year Which of the functions above might be used as a model for the data? O A. Quadratic: f(x) = ax2+ bx + c O B. Polynomial, not quadratic O c. Logistic: f(x) = a 1 + be - kx O D. Loganthmic: [(x) = a + binx O E. Exponential f(x) = ae "kx, k> 0 O F. Exponential f(x) = aekX, k> 0