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If (f:[0,2]\to[0,4]), where (f(x)=x^2), what type is (f)?

Answer and explanation

Correct answer: One-one and onto

Step 1: On ([0,2]), (x^2) is strictly increasing. Step 2: Its range is ([0,4]), matching the codomain. Step 3: Restricting the square function to the non-negative branch can make it bijective.

Related tags

Square FunctionBijectionOnto IntervalReflexive RelationRelations And FunctionsMathematicsClass 12 Mcq

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