I just published the playlist of videos that explain all of the math questions in the 2021 PSAT Wednesday Test that was administered on 13th October 2021.
Archives for December 2021
SAT math practice question: Functions with word translation
Try the following SAT math practice question (No Calculator) that tests your understanding of translating word problems and to create relationships using functions.
Question(No Calculator):
The toll for a vehicle to cross a certain bridge is a total of $\$2$ for the first two passengers plus $\$2$ for each additional passenger. Which of the following functions gives the toll $T(n)$, in dollars, for a vehicle with $n$ passengers?
- $\quad T(n)=2n-2$
- $\quad T(n)=2n-1$
- $\quad T(n)=2n$
- $\quad T(n)=2n+2$