Use your calculator to graph f(x)=1x2 Based on that graph, limx→0−f(x)=−∞

“exterior angles of triangles. an exterior (or external) angle is the angle between one side of a triangle and the extension of an adjacent side. try this drag the orange dots on any vertex to reshape the triangle.” look to get to the answer i explained what it means and other things i hope it you .

The answer is c, because you subtract 18, and then divide by -3 and flip the sign.