kindly answer it perfectly

(7 pts) For which value a of the domain is f (x) = x*+17x+72 NOT a continuous function? x+8 Assign a value to f(a) to make f continuous. If there is no such value, state "NONE." (This question is asking.. "If you could insert a point into this graph to make it continuous, what would that point be?" (x,y), the y-value is the answer. f(a) =