Priyanka and Ethan were asked to find an explicit formula for the sequence -3,-14,-25,-36,...−3,−14,−25,−36,.. .minus, 3, comma, minus, 14, comma, minus, 25, comma, minus, 36, comma, point, point, point
Priyanka said the formula is g(n)=-3-11ng(n)=−3−11ng, left parenthesis, n, right parenthesis, equals, minus, 3, minus, 11, n.
Ethan said the formula is g(n)=-3+11ng(n)=−3+11ng, left parenthesis, n, right parenthesis, equals, minus, 3, plus, 11, n.
Which one of them is right?