Intermediate June 2017 Unit 2 Q6

(a) Write down the first three terms of the sequence whose \(n\)th term is given by \(2n - 5\). [2]

The first three terms are   ……...........….. ,   ……...........…..   and   ……...........…..

(b) Write down an expression for the \(n\)th term of the following sequence. [2]

7,     11,     15,     19,     ...