Solve each inequality​ analytically, writing the solution set in interval notation. Support your answer graphically.​ (Hint: Once part ​(a) is​ done, part ​(b) follows from the answer to part ​(a)​.) ​(a) 9−​(x+4​)<0 ​(b) 9−​(x+4​)≥0 Question content area bottom Part 1 ​(a) The solution set of 9−​(x+4​)<0 is enter your response here. ​(Type your answer in interval​ notation.)