Gustavo and Yuki were asked to find an explicit formula for the sequence 19.0, -19,
Gustavo and Yuki were asked to find an explicit formula for the sequence 19.0, -19, -38, ..., where the first term should be h(1).
Gustavo said the formula is h(n) = 19 – 19n. Yuki said the formula is h(n) = –19+ 19n. Which one of them is right?