The notation \( f(30) = 15 \) indicates that Francesca can grade 15 quizzes in 30 minutes. This means that if she spends half an hour grading quizzes, she will have completed grading a total of 15 quizzes during that time.
Francesca, a teacher's assistant, is grading quizzes. The function f(x) gives the number of quizzes she can grade in x minutes.
What does f(30)=15 tell you?
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