微積分大一基礎(chǔ)知識經(jīng)典講解-免費(fèi)閱讀
【正文】 Chapter1 Functions(函數(shù)) 1)Afunction f is a rule that assigns to each element x in a set A exactly one element, called f(x), in a set B.2)The set A is called the domain(定義域) of the function.3)The range(值域) of f is the set of all possible values of f(x) as x varies through out the domain. Elementary Functions(基本初等函數(shù))1) constant functionsf(x)=c2) power functions3) exponential functions domain: R range: 4) logarithmic functions domain: range: R5) trigonometric functionsf(x)=sinx f(x)=cosx f(x)=tanx f(x)=cotx f(x)=secx f(x)=cscx6) inverse trigonometric functionsdomainrangegraphf(x)=arcsinx or f(x)=arccosx or f(x)=arctanx or Rf(x)=arccotx or R
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