Reba, 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)Reba can grade 15 quizzes in 30 minutes. (B)Reba can grade 30 quizzes in 15 minutes.

Understand function f(x): Understand the function f(x) and its variables. The function f(x) represents the number of quizzes Reba can grade in x minutes. Here, x is the number of minutes.Interpret f(30) = 15: Interpret the given function value f(30) = 15. Since f(x) gives the number of quizzes graded in x minutes, f(30) = 15 tells us that Reba can grade 15 quizzes in 30 minutes.

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Reba, 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)Reba can grade $15$ quizzes in $30$ minutes. $\newline$ (B)Reba can grade $30$ quizzes in $15$ minutes.

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Math Problems

Algebra 1

Interpret functions using everyday language

Full solution

Q. Reba, 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)Reba can grade

15

quizzes in

30

minutes.

\newline

(B)Reba can grade

30

quizzes in

15

minutes.

Understand function $f(x)$ : Understand the function $f(x)$ and its variables. $\newline$ The function $f(x)$ represents the number of quizzes Reba can grade in $x$ minutes. Here, $x$ is the number of minutes.
Interpret $f(30) = 15$ : Interpret the given function value $f(30) = 15$ . Since $f(x)$ gives the number of quizzes graded in $x$ minutes, $f(30) = 15$ tells us that Reba can grade $15$ quizzes in $30$ minutes.