Step 7 To estimate the slope of the tangent line at t = 15, we average the slopes of the adjacent secant lines for t = 10 and t = 20. As obtained in part (a), those slopes are msec = -136 and msec = -114.4, respectively. Therefore, the slope of the tangent line at t = 15 is as follows. (In the last step, round your answer to one decimal place.) -136 + If you use a graph of the function to estimate the slope of the tangent line at P(15, 1,040), you will see that it matches the above result. Submit Skin (you cannot come back)

Calculus: Early Transcendentals
8th Edition
ISBN:9781285741550
Author:James Stewart
Publisher:James Stewart
Chapter1: Functions And Models
Section: Chapter Questions
Problem 1RCC: (a) What is a function? What are its domain and range? (b) What is the graph of a function? (c) How...
Question
Step 7
To estimate the slope of the tangent line at t = 15, we average the slopes of the adjacent secant lines for t = 10 and t = 20. As obtained in part (a), those slopes are m
respectively.
sec
Therefore, the slope of the tangent line at t = 15 is as follows. (In the last step, round your answer to one decimal place.)
-136 +
If you use a graph of the function to estimate the slope of the tangent line at P(15, 1,040), you will see that it matches the above result.
Submit Skip (you cannot come back)
= -136 and m
sec
-114.4,
Transcribed Image Text:Step 7 To estimate the slope of the tangent line at t = 15, we average the slopes of the adjacent secant lines for t = 10 and t = 20. As obtained in part (a), those slopes are m respectively. sec Therefore, the slope of the tangent line at t = 15 is as follows. (In the last step, round your answer to one decimal place.) -136 + If you use a graph of the function to estimate the slope of the tangent line at P(15, 1,040), you will see that it matches the above result. Submit Skip (you cannot come back) = -136 and m sec -114.4,
A tank holds 4,000 gallons of water, which drains from the bottom of the tank in half an hour. The values in the
table show the volume V of water remaining in the tank (in gallons) after t minutes.
t (min)
V (gal)
5
10
2,772 1,720
15
1,040
20
25 30
468 112
0
Transcribed Image Text:A tank holds 4,000 gallons of water, which drains from the bottom of the tank in half an hour. The values in the table show the volume V of water remaining in the tank (in gallons) after t minutes. t (min) V (gal) 5 10 2,772 1,720 15 1,040 20 25 30 468 112 0
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