Steel hardware, including nuts and bolts, is often coated with a thin plating of cadmium. Explain the function of the cadmium layer

Calculus III (Professor Whittlesey) : Week 1 Notes (12.112.2) Review f’(a) = slope of tangent line @ x=a b ∫f(x) dx = area under the curve a b Fundamental Theorem of Calculus: f(x) dx = F(b)∫ F(a) a when F’(x)=f(x) Function: Function analogy : function=machine Input 2 , output 4 More Variables: Input mult. variables, output one answer p(r,c,t,etc) is a multivariable funct