Question

A) The term-to-term rule of a sequence is

MULTIPLY BY 2 and ADD 1
The sequence starts 5 11
Work out the next two terms of the sequence.
b) The term-to-term rule of another sequence is
MULTIPLY BY 2 and ADD 3
The third term of the sequence is 17
17
Work out the first term of the sequence.

Answer 1

a) 5, 11, 23, 47

b) 2, 7, 17

Explanation:

a) 5*2+1=11

11*2+1=23

23*2+1=47

b) 17-3 /2 = 7

7-3 /2 = 2