Let twice differentiable function |MonotonicityJEEMain2019

JEE MAIN 2019

08-04-2019 S1

Question

Let $f:[0,2] \rightarrow R$ be a twice differentiable function such that $f^{\prime \prime}(x)>0$, for all $x \in(0,2)$. If $\phi(x)=f(x)+ \mathrm{f}(2-x)$, then $\phi$ is

Select the correct option:

Decreasing on (0, 2)

Increasing on (0, 2)

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

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

✓ Correct! Well done.

✗ Incorrect. Try again or view the solution.

Solution

Question Tags

JEE Main

Mathematics

Medium

Start Preparing for JEE with Competishun

Report Issue