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Problem

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Textbook Expert
Textbook ExpertVerified Tutor
7 Dec 2021

Given information

 

Use a graph to estimate the coordinates of the leftmost point on the curve then find at what point does the curve have the vertical and horizontal tangent.

Step-by-step explanation

Step 1.

Given: 

The graph of the function is 

 

 

 

For vertical tangents 

From the graph the vertical tangent is at 

Then 

Now for 

Similarly 

Solving 

 

 

Hence 

Vertical tangents are 

Horizontal tangents coordinates are 

 

 

 

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