Respuesta :

Given

The graph,

To find:

The value of x when f(x)=-6.

Explanation:

It is given that,

From, the above graph it is clear that, at y = -6, x=5 and x=9.

Since f(x)=y.

Then f(x)=-6 at x=5 and x=9.

Hence, the values of x is 5 and 9.

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