Sally, 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? Choices: (A)Sally can grade 15 quizzes in 30 minutes. (B)Sally can grade 30 quizzes in 15 minutes.

Interpreting Function Value: The function f(x) gives the number of quizzes Sally can grade in x minutes. The value f(30) = 15 means that when x is 30, f(x) is 15. This tells us the number of quizzes Sally can grade in 30 minutes.Analyzing Choices: To interpret f(30) = 15, we look at the choices given. Choice (A) states that Sally can grade 15 quizzes in 30 minutes, which directly corresponds to the function value given. Choice (B) states that Sally can grade 30 quizzes in 15 minutes, which is not what the function value indicates.Correct Interpretation: Since f(30) = 15 matches the description in Choice (A), we can conclude that this is the correct interpretation of the function value. Sally can grade 15 quizzes in 30 minutes.

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Sally, a teacher's assistant, is grading quizzes. The function $f(x)$ gives the number of quizzes she can grade in $x$ minutes. $\newline$ What does $f(30) = 15$ tell you? $\newline$ Choices: $\newline$ (A) Sally can grade $15$ quizzes in $30$ minutes. $\newline$ (B) Sally can grade $30$ quizzes in $15$ minutes.

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Math Problems

Algebra 1

Power rule with rational exponents

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Q. Sally, a teacher's assistant, is grading quizzes. The function

f(x)

gives the number of quizzes she can grade in

x

minutes.

\newline

What does

f(30) = 15

tell you?

\newline

Choices:

\newline

(A) Sally can grade

15

quizzes in

30

minutes.

\newline

(B) Sally can grade

30

quizzes in

15

minutes.

Interpreting Function Value: The function $f(x)$ gives the number of quizzes Sally can grade in $x$ minutes. The value $f(30) = 15$ means that when $x$ is $30$ , $f(x)$ is $15$ . This tells us the number of quizzes Sally can grade in $30$ minutes.
Analyzing Choices: To interpret $f(30) = 15$ , we look at the choices given. Choice (A) states that Sally can grade $15$ quizzes in $30$ minutes, which directly corresponds to the function value given. Choice (B) states that Sally can grade $30$ quizzes in $15$ minutes, which is not what the function value indicates.
Correct Interpretation: Since $f(30) = 15$ matches the description in Choice (A), we can conclude that this is the correct interpretation of the function value. Sally can grade $15$ quizzes in $30$ minutes.