Enter your answer as an expression. Example: 3x^2+1, x/5, (a+b)/c
Be sure your variables match those in the question
Enter your answer using interval notation. Example: [2,5) Use U for union to combine intervals. Example: (-oo,2] U [4,oo) 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 an empty set. Use oo to enter Infinity. Trig functions (sin,cos,etc.) are not allowed