Starter of the Week 17: WIFI password

This is the clue to solve to gain a 9-digit WIFI password. What is the password?

Teacher notes

Level of difficulty: Accessible for HL students

Syllabus knowledge required: A knowledge of odd and even functions and their link to integration. Students who are struggling can be shown the graph of the function in the integral.

A pdf of the question and solution can be downloaded from here.