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Mathematics - Functions Question with Solution | TestHub

MathematicsFunctionsNumber of Solutions (graph)Medium2 minQB

MathematicsMediuminteger

A graph has $f (t) = 2$ exactly for $t = 0, 4; f (x) = 0$ exactly for $x = - 1, 2, 3$ ; and $f (x) = 4$ exactly for $x = 6$ . How many solutions has $f (f (x)) = 2$ ?

Answer:

Solution:

The inner value must be 0 or 4, occurring at three and one inputs.

Stream:JEESubject:MathematicsTopic:FunctionsSubtopic:Number of Solutions (graph)

⏱ 2mℹ️ Source: QB

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