Question

Pls help!!!! you’ll get a lot of points

Answer 1

Answer:

ok if you put on formula then it definately done

if it not solve on formula then tell me I give you solution

Answer 2

• a_n=3n-9

$\\ \sf\longmapsto a_1=3(1)-9=3-9=-6$

And

$\\ \sf\longmapsto a_5=3(5)-9=15-9=6$