SAT Question 68607eca: Nonlinear Functions answer and explanation with Desmos solution

Choice A is incorrect. This function gives the predicted number of views for an advertisement for which every $2$ days, the number of views was $70\%$, rather than increased by $70\%$, of the number of views $2$ days earlier.

Choice B is incorrect. This function gives the predicted number of views for an advertisement for which every $\frac{1}{2}$ days, the number of views was $70\%$ of the number of views $\frac{1}{2}$ days earlier, rather than an advertisement for which every $2$ days, the number of views had increased by $70\%$ of the number of views $2$ days earlier.

Choice D is incorrect. This function gives the predicted number of views for an advertisement for which every $\frac{1}{2}$ days, rather than every $2$ days, the number of views had increased by $70\%$ of the number of views $\frac{1}{2}$ days earlier, rather than $2$ days earlier.