(d) What information about the experiment does the t-intercept give? O The t-intercept tells us how many trials it will take before the white rat begins to learn. O The t-intercept tells us how many trials the white rat has completed. The t-intercept tells us how long it took the white rat on his first trial.
(d) What information about the experiment does the t-intercept give? O The t-intercept tells us how many trials it will take before the white rat begins to learn. O The t-intercept tells us how many trials the white rat has completed. The t-intercept tells us how long it took the white rat on his first trial.
Algebra and Trigonometry (6th Edition)
6th Edition
ISBN:9780134463216
Author:Robert F. Blitzer
Publisher:Robert F. Blitzer
ChapterP: Prerequisites: Fundamental Concepts Of Algebra
Section: Chapter Questions
Problem 1MCCP: In Exercises 1-25, simplify the given expression or perform the indicated operation (and simplify,...
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Question

Transcribed Image Text:A psychology major found that the timet (in seconds) that it took a white rat to complete a maze was related to the number of trials n the rat had been given. The resulting equation was
t = 25 – 0.25n.
(a) Complete the table of solutions and graph the equation. (Round your answers to the nearest second.)
sec
12
sec
20
sec
50
50
50
40
40
40
30
30
30
20
20
20
10
10
10
+ n
- 50 –40 – 30 – 20 – 10
- 50 – 40 – 30 – 20 – 10
- 50 -40 – 30 – 20 – 10
-10
10
20
30
40
50
10
20
30 40 50
10
20
30
40
50
-10
-10
– 20
20
– 20
30
30
-30
40
-40
-40
50
-50
50

Transcribed Image Text:50
40
30
10
- 50 -40 – 30 – 20 – 10
10
20
30
40
50
-10
20
-30
–40
50
(b) Complete the sentence.
From the graph, we see that the more trials the rat had, the ---Select--- it took it to complete the maze.
(c) From the graph, estimate the time it will take the rat to complete the maze on its 32nd trial.
sec
(d) What information about the experiment does the t-intercept give?
O The t-intercept tells us how many trials it will take before the white rat begins to learn.
The t-intercept tells us how many trials the white rat has completed.
The t-intercept tells us how long it took the white rat on his first trial.
The t-intercept tells us the fastest possible time in which the white rat can complete the maze.
The t-intercept tells us how quickly the white rat can complete the maze after n – 1 trials.
20
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