Use a Vertical Format to Add the Polynomials $$\begin{array} { r r } 1.5 x ^ { 3 } + 7.7 x ^ { 2 } + & 4.1 \\&- 3.4 x - 2.7 \\- 3.5 x ^ { 2 } + & x + 9.7 \\\hline\end{array}$$

Multiple Choice

Use a vertical format to add the polynomials.
- $$\begin{array} { r r } 1.5 x ^ { 3 } + 7.7 x ^ { 2 } + & 4.1 \\&- 3.4 x - 2.7 \\- 3.5 x ^ { 2 } + & x + 9.7 \\\hline\end{array}$$

A) $1.5 x ^ { 3 } + 11.2 x ^ { 2 } + 5.4 x - 8.3$
B) $13.1 x ^ { 6 } + 11.1$
C) $1.5 \mathrm { x } ^ { 3 } + 4.2 \mathrm { x } ^ { 2 } + 6.4 \mathrm { x } + 11.1$
D) $1.5 \mathrm { x } ^ { 3 } + 4.2 \mathrm { x } ^ { 2 } + 7.4 \mathrm { x } + 11.1$