Final answer:
The leading coefficient of the polynomial function f(x)=-3x^5 +4x -2 is -3, which is the coefficient of the highest degree term.
Step-by-step explanation:
The leading coefficient of a polynomial function is the coefficient of the term with the highest degree. In the function f(x) = −3x⁵ + 4x − 2, the term with the highest degree is −3x⁵. Therefore, the leading coefficient of this polynomial is −3.