My problems- 2

Algebra Level 3

The lovely function ff_{}^{} has the beautiful property that, for each real number xx:

f(x)+f(x1)=x2.\large f(x)+f(x-1) = x^2.

If f(19)=94f(19)=94, what is f(94)f(94)?


Inspiration.

This is original.
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