AS June 2021 Paper 1 Q2

2 Given that \(\mathrm{f}(x) = 3x - 1\) find the mean value of \(\mathrm{f}(x)\) over the interval \(4 \leqslant x \leqslant 8\)

Circle your answer. [1 mark]

• \(6\)
• \(11\)
• \(17\)
• \(23\)