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This is a long problem and I dont understand it much ? Can you help?

This is a long problem and I dont understand it much ? Can you help?-example-1
User Jilles
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1 Answer

3 votes

In this problem

we have a vertical parabola open upward

the vertex represents a minimum

looking at the graph

the vertex is the point (2,-4)

so

The function is increasing at the interval (2, infinity)

The function is decreasing at the interval (-infinity,2)

User Motsi
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