Answer:green area- triangle area = 72-9 = 63
Step-by-step explanation:
Answer:
Step-by-step explanation:
Let 
.
and
The graph of the two equations are shown in the attachment.
The points where the two graphs intersected are: 
The x-coordinates of the intersection points are the solutions to 
.
Therefore the solutions are:
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Answer: Two and one tenth.
Find the concavity changes of f(x).
Give the x-coordinates.
So, the answer to the multiple choice question is -1 and 5 since those points are where f''(x) changes sign.
Note: You can tell that you're supposed to find the concavity changes of f(x) and not f''(x) because from the graph it's obvious that the concavity of f"(x) doesn't change.
