# Is #f(x)=-2x^2-2x-1# increasing or decreasing at #x=-1#?

##### 1 Answer

Dec 18, 2015

It is increasing at

#### Explanation:

Therefore

graph{-2x^2-2x-1 [-10, 10, -5, 5]}

Dec 18, 2015

It is increasing at

Therefore

graph{-2x^2-2x-1 [-10, 10, -5, 5]}

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