If the function f given by f(x)=x3 has an average value of 9 on the closed interval [0,k],then k=?

If f(x)=log(x).write out the domain and range of the function. 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? if f is the function given by f(x)=∫√t^2-t dt,(4→2x)then f'(2)= If the function f given by f(x)=x3 has an average value of 9 on the closed interval [0,k],then k=? 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 Determine whether or not the function f:Z×Z →Z is onto,if f((m,n)) = m-n.explain Determine if the function f:R→R defined by f(x) = (X^2+1)/(X^2+2) is a bijection.Explain in the xy plane,the graph of the function F is a line.if F(2)=7andF(12)=1,what is the value of F(7)=? gi 英语翻译If your application uses the DrawDibBegin function with the DrawDibDraw function,set this value with DrawDibBegin rather than DrawDibDraw. 关于二元分段函数求极限consider the function f:R^2 --〉R given by f(x.y)=0 (if x=0,y>=0) or=-x(if x>=0.y 求问Sat2数学题 If f is a linear function and f(-2)=11,f(5)=-2,and f(x)=4.3,what is the value of x Find the inflection points,if any,of the following function.Otherwise,answer no solution?f(x) = x^4 - 2x^3 +5 f(x) = 2/(1+x^2) 请问几道分段函数的问题function:f(X)={3x-7,if x the function f is twice differentiable,and the graph of f has no points of inflection.if f(6)=3,f'(6)=-1/2,and f''(6)=-2,which of the following could be the value of f(7)?a.2 b.2.5 c.2.9 d.3 e.4有没有合理的解释? 英语翻译When healthy sleepers ate carbohydrate-rich suppers of veggies and tomato sauce over rice,they fell asleep significantly faster at bedtime if the meal included high-glycemic-index (GI) jasmine rice rather than lower-GI long-grain rice,in Limit of a function of a real variableDefinition.A function f (x) is said to approach a limit l as x approaches the value a if,given any small quantity ε ,it is possible to find a positive number δ such that f (x) l < ε for all x satisfying x a < If f is the function defined for all k by f(k) = k^5/16,what is f(2k) in terms of f(k)?A.1/8 f(k)B.5/8 f(k)C.2 f(k)D.10 f(k)E.32 f(k)标答是D,但我怎么求都是E另外一道,If an integer n is to be chosen at random from the integers 1 to 96,inc