Using the table of values, estimate the slope of a tangent line tangent to the curve f(x) = x³ – 27 at x = 4. What is the equation of a tangent line at point P(4, f(4))? i. Sketch the graph of f(x) and make a tangent line at point P. Label the graph and the tangent line. ii. Consider point Q(2.5, f(2.5)) along with the graph of f(x). Make a line connecting point P and point Q. Label the line by “Secant Line PQ". Find the slope mpg of the secant line PQ. iii. Let the point Q(x, f(x)) be the arbitrary point along the graph of f(x) where the value of x must be in between 1 and 2.5 (i.e. 1

Calculus For The Life Sciences
2nd Edition
ISBN:9780321964038
Author:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Publisher:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Chapter7: Integration
Section7.1: Antiderivatives
Problem 45E
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answer (iv) and (v)
1. Using the table of values, estimate the slope of a tangent line tangent to the curve
f(x) = x³ – 27 at x = 4. What is the equation of a tangent line at point P(4, f(4))?
i. Sketch the graph of f(x) and make a tangent line at point P. Label the graph and
the tangent line.
ii. Consider point Q(2.5, f(2.5)) along with the graph of f(x). Make a line
connecting point P and point Q. Label the line by "Secant Line PQ". Find the slope
MpQ of the secant line PQ.
iii. Let the point Q(x, f(x)) be the arbitrary point along the graph of f(x) where the
value of x must be in between 1 and 2.5 (i.e. 1<x< 2.5). Let P(x1,y1) =
P(1,f(1)) and Q(x2, Y2) = Q(x,f(x)), find the expression of the slope mpg-
Note: The expression of the slope mpq is a function of x.
(Hint: mpo(x) = 2%
iv. Give at least 5 values for x beginning from x = 2.5 that moves closer and closer
to x = 1. Substitute these values to the expression of the slope mpo(x). Make
sure that your chosen x's can approximate the slope for the tangent line. Show
your computation and make a table of values as shown below. (Round off the
slope up to 6 decimal places)
mpo(x)
2.5
v. Determine the exact value of the slope of tangent line based on where the values
of slope mpq is approaching as x approaches 1?
Transcribed Image Text:1. Using the table of values, estimate the slope of a tangent line tangent to the curve f(x) = x³ – 27 at x = 4. What is the equation of a tangent line at point P(4, f(4))? i. Sketch the graph of f(x) and make a tangent line at point P. Label the graph and the tangent line. ii. Consider point Q(2.5, f(2.5)) along with the graph of f(x). Make a line connecting point P and point Q. Label the line by "Secant Line PQ". Find the slope MpQ of the secant line PQ. iii. Let the point Q(x, f(x)) be the arbitrary point along the graph of f(x) where the value of x must be in between 1 and 2.5 (i.e. 1<x< 2.5). Let P(x1,y1) = P(1,f(1)) and Q(x2, Y2) = Q(x,f(x)), find the expression of the slope mpg- Note: The expression of the slope mpq is a function of x. (Hint: mpo(x) = 2% iv. Give at least 5 values for x beginning from x = 2.5 that moves closer and closer to x = 1. Substitute these values to the expression of the slope mpo(x). Make sure that your chosen x's can approximate the slope for the tangent line. Show your computation and make a table of values as shown below. (Round off the slope up to 6 decimal places) mpo(x) 2.5 v. Determine the exact value of the slope of tangent line based on where the values of slope mpq is approaching as x approaches 1?
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