jee-main 2019 Q80

jee-main · India · session1_10jan_shift1 Curve Sketching Continuity and Discontinuity Analysis of Piecewise Functions

Let $f ( x ) = \left\{ \begin{array} { c c } \max \left( | x | , x ^ { 2 } \right) , & | x | \leq 2 \\ 8 - 2 | x | , & 2 < | x | \leq 4 \end{array} \right.$. Let $S$ be the set of points in the interval $( - 4,4 )$ at which $f$ is not differentiable. Then $S$
(1) equals $\{ - 2 , - 1,0,1,2 \}$
(2) equals $\{ - 2,2 \}$
(3) is an empty set
(4) equal $\{ - 2 , - 1,1,2 \}$

Let $f ( x ) = \left\{ \begin{array} { c c } \max \left( | x | , x ^ { 2 } \right) , & | x | \leq 2 \\ 8 - 2 | x | , & 2 < | x | \leq 4 \end{array} \right.$. Let $S$ be the set of points in the interval $( - 4,4 )$ at which $f$ is not differentiable. Then $S$\\
(1) equals $\{ - 2 , - 1,0,1,2 \}$\\
(2) equals $\{ - 2,2 \}$\\
(3) is an empty set\\
(4) equal $\{ - 2 , - 1,1,2 \}$

Paper Questions

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