SAT Question f547a8b1: Nonlinear Functions answer and explanation with Desmos solution

Choice D is correct. The y-intercept of a graph in the xy-plane is the point at which the graph crosses the y-axis. The graph shown crosses the y-axis at the point $\left(0,8\right)$. Therefore, the y-intercept of the graph shown is $\left(0,8\right)$.