# Is #f(x)=-2x^5-2x^3-12x^2-6x+1# concave or convex at #x=-1#?

##### 1 Answer

Jan 8, 2017

f(x) is concave at x=1

#### Explanation:

You would get the first and the second derivative; then:

Since

Jan 8, 2017

f(x) is concave at x=1

You would get the first and the second derivative; then:

Since

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