Hello,
the graph of f(x) is joint here.
It has a form of "V" with (13,11) like vertex;
It is a minimum.
It is composed of 2 half straight lines y=-x-2 (for x<13) and y=x+2 (for x>13)
the graph of f(x) is joint here.
It has a form of "V" with (13,11) like vertex;
It is a minimum.
It is composed of 2 half straight lines y=-x-2 (for x<13) and y=x+2 (for x>13)
