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Rose, a teacher's assistant, is grading quizzes. The function f(x)f(x) gives the number of quizzes she can grade in xx minutes.\newlineWhat does f(30)=15f(30) = 15 tell you?\newlineChoices:\newline(A) Rose can grade 1515 quizzes in 3030 minutes.\newline(B) Rose can grade 3030 quizzes in 1515 minutes.

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Divide numbers written in scientific notationright chevron icon

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Q. Rose, a teacher's assistant, is grading quizzes. The function f(x)f(x) gives the number of quizzes she can grade in xx minutes.\newlineWhat does f(30)=15f(30) = 15 tell you?\newlineChoices:\newline(A) Rose can grade 1515 quizzes in 3030 minutes.\newline(B) Rose can grade 3030 quizzes in 1515 minutes.
  1. Interpret Function Notation: Interpret the function notation.\newlineThe function f(x)f(x) represents the number of quizzes graded in xx minutes. The notation f(30)=15f(30) = 15 means that when xx is 3030, f(x)f(x) is 1515.
  2. Understand Number Representation: Understand what the numbers represent.\newlineIn the context of the function, the number 3030 represents the minutes, and the number 1515 represents the quizzes graded in those minutes.
  3. Match Interpretation to Choices: Match the interpretation to the choices given.\newlineSince f(30)=15f(30) = 15, this means that Rose can grade 1515 quizzes in 3030 minutes, which corresponds to choice (A).

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