Question

22. The first 5 terms of a number pattern are shown below.
4, 9, 14, 19, 24,
Which expression is equivalent to the value of the nth term in the pattern?
5n -1
57
n +5
5n +3

Answer 1

a) 5n- 1
the patterns going up in 5s and to get back to 4 you need to - 1