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QJEEM24Ma2634: JEE Main 2024 Mathematics - Class 11 JEEM24Ma2634 Solution: If , then range of is

If f(x)={2+2x,amp;−1≤xlt;01−x3,amp;0≤x≤3;g(x)={−x,amp;−3≤x≤0x,amp;0lt;x≤1f(x)=\left\{\begin{array}{cc}2+2 x, & -1 \leq x < 0 \\ 1-\frac{x}{3}, & 0 \leq x \leq 3\end{array} ; g(x)=\left\{\begin{array}{cc}-x, & -3 \leq x \leq 0 \\ x, & 0 < x \leq 1\end{array}\right.\right. , then range of (fog)(x)(f o g)(x) is

Multiple Choice Options

  • A [0,1)[0,1)
  • B [0,3)[0,3)
  • C (0,1](0,1]
  • D [0,1][0,1]

Step-by-Step Verified Solution

f(g(x))={2+2g(x),−1≤g(x)<0.....(1)1−g(x)3,0≤g(x)≤3.....(2)

 By (1) x∈ϕ\text { By (1) } x \in \phi

And by (2) x∈[−3,0]x \in[-3,0] and x∈[0,1]x \in[0,1]

JEE Main 2024 (Online) 29th January Morning Shift Mathematics - Functions Question 25 English Explanation

Range of f(g(x))\mathrm{f(g(x))} is [0,1][0,1]

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