Given the function f(3) = 2.03 – 4.12 – 482, what would the solutions of f(2x) be? (Write them in ascending order)

Ithink its 126 hope its

This is what i found “an explicit formula designates the nth term of the sequence, as an expression of n (where n = the term's location). it defines the sequence as a formula in terms of n. this example is an arithmetic sequence(the same number, 5, is added to each term to get to the next term).” i hope this you for what your looking for. can you plz mark me brainliest?