perform functional analysis with a diagram on snow removal by using these steps: 1. Gather Information and Define the Problem 2. Develop a Functional Model of the System (Function Diagram ) 3.Perform the Functional Analysis. Include "1. Does this function produce another function? If so, is the resulting function desired (and sufficient), undesired (harmful), or insufficient (needed but not good enough) 2. Is this function produced by another function? If so, is the producing function's impact desired, undesired, or insufficient?" in the diagram