Grade 12Algebra
if domain of f(x) is (- infinite to 0] then the domain of f(6{x}^2 - 5 {x} + 1) is
if domain of f(x) is (- infinite to 0] then the domain of f(6{x}^2 - 5 {x} + 1) is
1 Answer
Aditya Gupta
for f to be defned,
6{x}^2 - 5 {x} + 1 must be less than or equal to zero
(3x – 1)(2x – 1) must be less than or equal to zero
(x – 1/3)(x – ½ ) must be less than or equal to zero.
so x belongs to [1/3, ½]
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