a.
To find : The equation for the secant line
a.
Answer to Problem 9E
The equation of the secant line
Explanation of Solution
Given information :
The interval
Calculation :
Since the equation of the line passing through the point
Here,
And
Substitute these values in equation (1) and solve:
Hence,
The equation of the secant line
b.
To find : The equation of tangent line of
b.
Answer to Problem 9E
The equation of a tangent that is parallel to
Explanation of Solution
Given information :
The interval
Calculation :
Since, the slope of tangent of the
Differentiate
Since, the tangent line is parallel to
The slope of
But
Also,
Therefore, the equation of the line will be:
Hence,
The equation of a tangent that is parallel to
Chapter 5 Solutions
Calculus: Graphical, Numerical, Algebraic: Solutions Manual
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