Find the open intervals where the function f ( X ) = In ( * = + 4 ) is concave upward or concave downward . Find any inflection points . Select the...

Find the open intervals where the function f ( X ) = In ( * = + 4 ) is concave upward or concave downward . Find any inflection points .Select the correct choice below and fill in any answer boxes within your choice*O A . The function has a point of inflection at\\.( Type an ordered pair . Use a comma to separate answers as needed . )OB . The function does not have an inflection point .Select the correct choice below and fill in any answer boxes within your choice .A . The function is concave upward on the interval ( s )\\( Type your answer in interval notation . Use a comma to separate answers as needed . )B . The function is never concave upward .Select the correct choice below and fill in any answer boxes within your choice*O A . The function is concave downward on the interval ( s )\\*( Type your answer in interval notation . Use a comma to separate answers as needed . )OB . The function is never concave downward .