MAT125, Paper Homework 3 1. Let f (x) = x + x. (a) Write a limit which represents the derivative of f (x). (b) Evaluate the limit. Coee is being...

Coffee is being poured into the mug shown below at a constant rate(that is, a constant volume of coee per unit of time). Sketch a roughgraph of the depth of the coee in the mug as a function of time.Be sure to account for the shape of the graph in terms of concavity.