Let `f(x) = \sqrt(6 - x) ` and `g(x) = x^2 - x `.

The composite function `f@g(x)=`  

Then the domain of ` f @ g(x) ` in interval notation is  

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Box 1: Enter your answer as an expression. Example: 3x^2+1, x/5, (a+b)/c
Be sure your variables match those in the question

Box 2: 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.