题目

—-Bob, I know you want to be an actor. ____________?—-I'm going to take acting lessons. A . How is it going B . What are you going to be C . How are you going to do that D . Where are you going to work 答案：C设函数的定义域为，如果存在正实数，使得对任意，都有，且恒成立，则称函数为上的“的型增函数”，已知是定义在上的奇函数，且在时， ，若为上的“2017的型增函数”，则实数的取值范围是__________．