F2 MM C8

Question

Comments

(i)one to one function
(ii)the graph is not a function because the vertical line test cuts the graph at more than one point

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因为这个graph用horizontal line test 是inverse function，然后inverse function一定是one to one function

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请写在答案区，而不是评论区。@hong0 你可能懒惰 写答案，所以写在评论区，不过，我鼓励你写在 回答区，别人才可以采纳你的回答。

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har，不是one-to-many meh
one to one 是 function right？

Answer 1

i) one-to-many relation

ii)because it does not have a solution, or a root

Answer 2

(i)one to one function

(ii)the graph is not a function because the vertical line test cuts the graph at more than one point

Comments

抄评论区的答案?

Answer 3

（i）one to one relation

（ii）by using the vertical line test，it has more than one point after cutting