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Describe the local behavior of the function shown in the graph above.

As `x -> 4^(-)`, `f(x) -> `

As `x -> 4^(+)`, `f(x) -> `
Describe the long run behavior of the function shown in the graph above.

As `x -> oo`, `f(x) ->`

As `x -> -oo`, `f(x) ->`