Question

What is the explict formula of 3, 7, 11, 15, 19

Answer 1

We have the following:

the formula for this case is the following:

`\begin{gathered} a_n=a_0+d\cdot(n-1) \\ a_0=3 \\ d=7-3=11-7=15-11=19-15=4 \end{gathered}`

replacing:

`a_n=3+4\cdot(n-1)`