F function is arule that changes one number into another.什么意思?

F function is arule that changes one number into another.什么意思? several values of the function f are shown. the function g is defined by g(x)=f(3x+1).what is the value of g(2) Input argument x is undefined.function y=f(x) y=exp(-x)+exp(x); What is the slope of the line whose function f satisfies f(-2)=1 and f(5)=-10? A function f is such that f(x)=ln(5x-10) solve f(x)=0 关于一题SAT数学题If f(x)=x^3+1 and of f^(-1)（x) is the inverse function of f,what is f^(-1)(4)? 答案是1.44 求详细解答! 谢谢谢!inverse function 是什么? SAT数学题 Function f is defined by f(x)=(x-a)(x-b)/(x-c),where 0 what is the image of the function f:R->R,f|x|+x?use the interval notation if f(x) is a linear function such that f(2)=5 and f(4)=13,f(x)=? A portion of the graph of the function f is shown in the xy-plane above. What is the y-intercept ofthe graph of the function g defined by g(x)=f(x)+1? several values of the function f are shown above.the function g is defined by g(x)=f(3x+1)what is the value of g(2)? what is the value of the discriminant for the function f(x)=8x^2+13x+7? function 英语翻译Feedback on the effectiveness of the internal audit function is also important.While research is limited in this area,it has unequivocally demonstrated that the internal audit function is most effective when it has independence （in “f 1.Does formula f(x)=1/(x²-2) define a function f:R->R?A function Z->R?2.If there are 2187 function f:A->B and |B|=3.What is |A|?3.Give an example of a function f:A->B and A1,A2 in the A for which f(A1∩A2) ≠ f(A1)∩f(A2)4.If A={1,2,3,4,5} an if f is the function given by f(x)=∫√t^2-t dt,(4→2x)then f'(2)= Let f be a function such that f(x)=f(1-x) for all real numbers x.If f is differentiable everywhere,then f'(0)=?为什么是-f'(1)而不是f'(1)? Determine whether or not the function f:Z×Z →Z is onto,if f((m,n)) = m-n.explain