Problem 406 (difficulty: 2/10)

Prove that if \(\displaystyle f\) is strictly convex on the interval \(\displaystyle I\), then every line intersects the graph of \(\displaystyle f\) in at most 2 points.

Give me another random problem!

Subject, section:
Requested difficulty:
Request for a concrete problem:I want problem no.

Supported by the Higher Education Restructuring Fund allocated to ELTE by the Hungarian Government