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What are the domain and range of the function?

What value is excluded from the domain because it causes a hole in the graph of the function?

f(x)=x2−16x−4

Respuesta :

Papreso

Answer:

[tex]x[/tex] = - 2/7

Alternate form: - 0.285714

Step-by-step explanation:

1- Substitute f ( x ) = 0

Reorder

f ( [tex]x[/tex] ) = [tex]x[/tex] x 2 - 16[tex]x[/tex] - 4

2- Collect like terms

0 = 2[tex]x[/tex] - 16[tex]x[/tex] - 4

3- Move the variable to the left

0 = - 14[tex]x[/tex] - 4

4- Divide both sides

14[tex]x[/tex] = - 4

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