Aiden is reading a book for History class. He records the number of pages, p, he reads as a function of the time, t, in hours, as shown. At what average rate of change, in pages per hours, does Aiden read his book from t=.5 to t=3? Enter your answer as a decimal rounded to the nearest tenth. ✓ T √ Submit

Trigonometry (11th Edition)
11th Edition
ISBN:9780134217437
Author:Margaret L. Lial, John Hornsby, David I. Schneider, Callie Daniels
Publisher:Margaret L. Lial, John Hornsby, David I. Schneider, Callie Daniels
Chapter1: Trigonometric Functions
Section: Chapter Questions
Problem 1RE: 1. Give the measures of the complement and the supplement of an angle measuring 35°.
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Aiden is reading a book for History class. He records the number of pages, \( p \), he reads as a function of the time, \( t \), in hours, as shown.

**Question:**  
At what average rate of change, in pages per hour, does Aiden read his book from \( t = 0.5 \) to \( t = 3 \)? Enter your answer as a decimal rounded to the nearest tenth.

**Table Data:**

\[
\begin{array}{|c|c|c|c|c|c|c|c|}
\hline
t & 0 & 0.5 & 1 & 1.5 & 2 & 2.5 & 3 & 3.5 \\
\hline
p(t) & 0 & 22 & 41 & 65 & 80 & 103 & 115 & 132 \\
\hline
\end{array}
\]

**Explanation:**

The table lists values of \( t \) in hours, and corresponding values of \( p(t) \), the number of pages read. The question asks for the average rate of change in pages per hour from \( t = 0.5 \) to \( t = 3 \).

To calculate the average rate of change, use the formula:

\[
\text{Average rate of change} = \frac{p(t_2) - p(t_1)}{t_2 - t_1}
\]

Substitute \( t_1 = 0.5 \), \( t_2 = 3 \), \( p(t_1) = 22 \), and \( p(t_2) = 115 \) into the formula:

\[
\text{Average rate of change} = \frac{115 - 22}{3 - 0.5} = \frac{93}{2.5} = 37.2
\]

So, the average rate of change is 37.2 pages per hour.
Transcribed Image Text:Aiden is reading a book for History class. He records the number of pages, \( p \), he reads as a function of the time, \( t \), in hours, as shown. **Question:** At what average rate of change, in pages per hour, does Aiden read his book from \( t = 0.5 \) to \( t = 3 \)? Enter your answer as a decimal rounded to the nearest tenth. **Table Data:** \[ \begin{array}{|c|c|c|c|c|c|c|c|} \hline t & 0 & 0.5 & 1 & 1.5 & 2 & 2.5 & 3 & 3.5 \\ \hline p(t) & 0 & 22 & 41 & 65 & 80 & 103 & 115 & 132 \\ \hline \end{array} \] **Explanation:** The table lists values of \( t \) in hours, and corresponding values of \( p(t) \), the number of pages read. The question asks for the average rate of change in pages per hour from \( t = 0.5 \) to \( t = 3 \). To calculate the average rate of change, use the formula: \[ \text{Average rate of change} = \frac{p(t_2) - p(t_1)}{t_2 - t_1} \] Substitute \( t_1 = 0.5 \), \( t_2 = 3 \), \( p(t_1) = 22 \), and \( p(t_2) = 115 \) into the formula: \[ \text{Average rate of change} = \frac{115 - 22}{3 - 0.5} = \frac{93}{2.5} = 37.2 \] So, the average rate of change is 37.2 pages per hour.
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