please answer only questions there is no need of steps Whic

please answer only questions . there is no need of steps

Which of the following best describes the graph below? It is not a function It is a many-to-one function. It is a one-to-one function. It is a function, but it is not one-to-one. f(x) = x^3-x^2-9x + 9 It is a one-to-one function. It is a many-to-one function. It is not a function. It fails the vertical line test. The test is used to determine whether a function is one-to-one.

Solution

1) C) one to one function

2) B) Many to one function

3) Horizontal line test

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