SAT Question 735a0a00: Nonlinear Functions answer and explanation with Desmos solution

Choice C is correct. In the given equation, $x$ represents the number of days after a new product launched, where $0\le x\le 20$, and $y$ represents the estimated stock price, in dollars, for a certain company. Therefore, the best interpretation of $\left(x,y\right)=\left(1,83\right)$ in this context is that $1$ day after the new product launched, the company's estimated stock price is $$83$.