Choose the Function That Might Be Used as a Model $f ( x ) = a + b \ln x$

Multiple Choice

Choose the function that might be used as a model for the data in the scatter plot.
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A) Logarithmic, $f ( x ) = a + b \ln x$
B) Exponential, $\mathrm { f } ( \mathrm { x } ) = \mathrm { ab } ^ { \mathrm { x } }$ or $\mathrm { f } ( \mathrm { x } ) = \mathrm { P } _ { 0 } \mathrm { e } ^ { \mathrm { kx } } , \mathrm { k } > 0$
C) Quadratic, $f ( x ) = a x ^ { 2 } + b x + c$
D) Exponential, $\mathrm { f } ( \mathrm { x } ) = \mathrm { ab } ^ { - \mathrm { x } }$ or $\mathrm { f } ( \mathrm { x } ) = \mathrm { P } _ { 0 } \mathrm { e } ^ { - \mathrm { kx } } , \mathrm { k } > 0$