Find the inverse of the quadratic function f. f(x) = x2 - 2x , x ≥ 1
Options:
Answer: Option A : D Using the technique for inverse function at x=1, f(x) = -1 Replace x by f(x) in the answer options and Look for an answer options where x= -1, & f(x)=1 Answer is option (d) 2nd method: - Let y = x2 - 2x x2- 2x - y = 0
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