Grade 12th passAlgebra
the range of f(x) = (2 + 2x – x2 ) is please answer briefly all of the asked questions
the range of f(x) = (2 + 2x – x2 ) is
please answer briefly all of the asked questions
1 Answer
Arun
Dear aman
We can write it f(x) as
f(x) = -(x²-2x+1) +3
f(x) = -(x-1)² +3
Now its maximum value will be 3 which will be at x = 1
But we can't say about its minimum value.
Hence Range = (- infinity, 3]
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