The problem is from an online homework assignment. I know it's probably fairly simple, but my brain isn't grasping it right now for some reason.[The Problem]
We know:
r(t) = <3t2 - 8t + 3, -9t2 + 2t + 7>
And we are asked to find d2y/dx2.[Background Information]
My understanding of d2y/dx2...