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Audrey is reading a great book. The function $y = -30x + 240$ represents the total number of pages Audrey has left, $y$ , depending on how many hours she reads, $x$ . $\newline$ What is true about the function? $\newline$ Choices: $\newline$ (A)It is linear because it is always decreasing. $\newline$ (B)It is linear because it decreases at a constant rate. $\newline$ (C)It is nonlinear because it is always decreasing. $\newline$ (D)It is nonlinear because it decreases at a constant rate.

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Find a value using two-variable equations: word problems

Full solution

Q. Audrey is reading a great book. The function

y = -30x + 240

represents the total number of pages Audrey has left,

y

, depending on how many hours she reads,

x

.

\newline

What is true about the function?

\newline

Choices:

\newline

(A)It is linear because it is always decreasing.

\newline

(B)It is linear because it decreases at a constant rate.

\newline

(C)It is nonlinear because it is always decreasing.

\newline

(D)It is nonlinear because it decreases at a constant rate.

Analyze Function Characteristics: Analyze the function $y = -30x + 240$ to determine its characteristics.
Determine Behavior as $x$ Increases: Determine the behavior of the function as $x$ increases.
Match Behavior with Choices: Match the behavior of the function with the given choices.

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