Let f :[0,2] \to {R} be a twice differentiable function such that f’’(x) > 0, for all x \in (0,2) . If \ϕ(x)=f(x)+f(2-x) , then ϕ is: [8 Apr 2019 Shift 1]

Correct Answer is : Decreasing on (0, 1) and increasing on (1, 2)

Increasing on (0, 1) and decreasing on (1, 2)

Decreasing on (0, 1) and increasing on (1, 2)

JEE Main 8 Apr 2019 Paper 1 Solved Paper

Section: Mathematics

Question : 86 of 90

Marks: +1, -0

Let f:[0,2]→R be a twice differentiable function such that f’’(x)>0, for all x∈(0,2). If ϕ(x)=f(x)+f(2−x) , then ϕ is:

[8 Apr 2019 Shift 1]

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