CAPE Pure Mathematics Unit 1 · May/June 2011 · Paper 1 · Question Q41

Given that \int_2^5 4 f(x)\,dx = 9, the value of \int_2^5 3 f(x)\,dx is

1. (A)\frac{1}{4}
2. (B)\frac{3}{4}
3. (C)\frac{9}{4}
4. (D)\frac{27}{4}