I need help with the questions in the picture, let me know if there is any question :). Thank you.

Maximum mark: 5 0 Given that de - Ink, find the value of F. Maximum mark: 4 0 Let S'(x) = Gr + 2r - 1. Given that /(2) = 5, find /(a). Plaximun mark: 5 0 Let s() = - g. The following diagram shows part of the graph of g. The region R is enclosed by the graph of g. the ar-axis, and the y-axis. Find the area of Rt