It's the reciprocal of the square root of 'x'.
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technically it's already solved, you just have to graph it i guess.
That factors to (x + 3)(x^2 - 3x + 7)Setting those equal to zero leaves one real root (-3) and one complex root: one half times (three minus i times the square root of 19) where i is the square root of negative one.
x= Negative 4
It is negative one divided by 4 multiplied by x to the power of 1.5 -1/(4(x^1.5))
The domain could be the real numbers, in which case, the range would be the non-negative real numbers.