Write down the first three terms of the sequence whose nth term is given by 2n-5

Question

 Write down the first three terms of the sequence whose nth term is given by 2n-5 

Answer 1

a₁ = 2(1)-5 = -3

a₂ = 2(2)-5 = -1

a₃ = 2(3)-5 = 1

a₄ = 2(4)-5 = 3

a₅ = 2(5)-5 = 5

 

Whoops, I got carried away and did two extra terms.