Question
Asked Apr 4, 2019
 
 
Determine the open intervals on which the graph of the function is concave upward or concave downward.
 
f(x) = x^2+9
          _______
          x2-9
check_circleExpert Solution
Step 1

Given information:

The given function is 

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Step 2

Concept Used:

1) Find the second order derivative of the given function.

2) Set second order derivative equal to zero and solve for x.

3) If f\'\'(x)>0 for x, then the graph of f is concave upward.

4) If f\'\'(x)<0 for x, then the graph of f is concave downward.

Step 3

Calculation:

First, we have to find the first order der...

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Calculus

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