## Elementary and Intermediate Algebra: Concepts & Applications (6th Edition)

The answer is $\color{red}{g) 4t - 2t^7}$.
Remember that the degree of the polynomial is based on the term with the highest degree of the variable. In this item, the binomial with degree 7, when arranged, is $4t - 2t^7$ or $- 2t^7 + 4t$. The answer is $\color{red}{g) 4t - 2t^7}$.