Suckless SAT Practice

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Practice one SAT question at a time

Questions come from the Bluebook question bank.

For groups of $25$ or more people, a museum charges $dollar sign 21$ per person for the first $25$ people and $dollar sign 14$ for each additional person. Which function $f$ gives the total charge, in dollars, for a tour group with $n$ people, where $n greater than or equals 25$ ?