I am not sure how to answer this.Any help would be appreciated. Must have an explanation as to why.

Describe the end behavior of the graph of the function f (x) = 5(4) - 4. For oo, type in the word infinity. For -oo, type in -infinity (a minus sign followed by the word infinity). Make sure that you type in the word infinity with a lower case i. As x - -co, f (x) As x -> 00, f (I)