求数学大神,反函数问题,绝对会给好评的,第三题解答题最好能给过程。

2025-05-16 18:43:25
推荐回答(1个)
回答1:

第三题选B,因为-x^2+2x-1/2值域为负无穷到1/2,所以当-1<=-x^2+2x-1/2<=1/2时,-π/2<=arcsin-x^2+2x-1/2<=π/6