Proportion
139.
f is directly proportional to n2.
(a)(i) Given that f = 6 when n = 2. Find an equation for f in terms of n.
(a)(i) Given that f = 6 when n = 2. Find an equation for f in terms of n.
(a)(i) ......................... [2]
(ii) Find f when n = 8.
(a)(ii) ......................... [1]
(b) Another number, p, is directly proportional to 2n2. Show that f is directly proportional to p.
(b) ......................... [3]
Paper 2