For the following exercise, find the domain of the function using interval notation. 3x + 3 f(x) = √8 X Preview TIP Enter your answer using interval notation. Example: [2,5) Use U for union to combine intervals. Example: (-00,2] U [4,00) Enter each value as a number (like 5, -3, 2.2172) or as a calculation (like 5/3, 2^3, 5+4) Enter DNE for Does Not Exist, oo for Infinity