Upgrade subject to access all content

Created for Albert.io. Copyright 2016. All rights reserved.

The figure above presents the graph of ${ f }^{ \prime \prime }$.

Based on this graph, which of the following statements must be true?

$f$ is a quadratic function.

$f$ has a relative minimum at $x=1$.

$f$ has a point of inflection at $x=1$.

$f$ is increasing everywhere.