题目

Matt grows the best vegetables in the village. He grows fruit too—big, sweet apples and oranges. And what else? Well, the biggest and the prettiest flowers. Things grow in Matt's garden all through the year. He cuts some flowers for his sitting room table; and of course, he eats some fruit and vegetables. But he sells everything else in the market. Matt is not a poor man. He knows a few other gardens; but he does not have any friends. You might ask,“ What is that? Why doesn't he have friends?” I will tell you. People do not understand him. And they do not understand his garden. “Why no已知，函数在上单调递减．（1）若为假命题，求实数的取值范围；（2）若为真命题，为假命题，求实数的取值范围．