For math, science, nutrition, history, geography, engineering, mathematics, linguistics, sports, finance, music WolframAlpha brings expertlevel knowledge and capabilities to the broadest possible range of people—spanning all professions and education levelsCommenting to achille hui's answer, the idea of choosing $\lambda$ comes from the observation that the translation operator $\tau_{h} f (x) = f(xh)$ corresponds to the exponential of the differential operatorThis function f (x) =7x−5 means that each time we plug in a value of x we would multiply it by 7 then subtract 5 f (x)=7x−5 → This our function with just x Lets try substituting different values for x f (3)=73−5=21−5=16 → If substitute x by 3, this is what we get
What Is A Function
