When the value of √ x-3 + √ 4-x x is what, the following expressions are meaningful in the range of real numbers

When the value of √ x-3 + √ 4-x x is what, the following expressions are meaningful in the range of real numbers

x-3≥0
x≥3
4-x≥0
x≤4
therefore
3≤x≤4