y = -3x^-5 + 15x^-4 - 2x^-3 + 2

The given equation is a polynomial function with negative exponents.

The function is y = -3x^-5 + 15x^-4 - 2x^-3 + 2.

This can also be written as y = -3/x⁵ + 15/x⁴ - 2/x³ + 2.