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Question
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
Find The Inverse Of The Quadratic Function F.f(x) = X2 - 2x ...
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