Find an equation of the line L tangent to the graph of f(x) = 8x +1 at x = 1/2.

College Algebra (MindTap Course List)
12th Edition
ISBN:9781305652231
Author:R. David Gustafson, Jeff Hughes
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Chapter2: Functions And Graphs
Section2.6: Proportion And Variation
Problem 17E: Find the constant of proportionality. y is directly proportional to x. If x=30, then y=15.
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Find an equation of the line L tangent to the graph of f(x) = 8x³ + 1 at x = 1/2.
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Transcribed Image Text:Find an equation of the line L tangent to the graph of f(x) = 8x³ + 1 at x = 1/2. %3D www www.ww
Expert Solution
Step 1

Calculate the y-coordinate of the point where the tangent has to be drawn.

Substitute 12 for x in the function to calculate the value of f12.

f12=8123+1=818+1=1+1=2

The coordinates of point where tangent touches the curve, is 12,2.

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