Write each collection of numbers using interval notation a All real numbers greater than or equal to 0 i e x 0 b All real numbers less than 0 i e x 0 c All real numbers greater than 0 and less than or equal to 4 i e 0 x 4 d All real numbers less than 0 or greater than or equal to 4 i e x 0 or x 4 e All real numbers less than or equal to 4 excluding 0 i e x 0 or 0 x 4