Answer :
We start with the polynomial
$$7 - 3x^3 + 4x.$$
Our goal is to rewrite this expression in standard form, which means arranging the terms in descending order of their exponents.
1. The term with the highest power is $-3x^3$ (degree 3).
2. The next term is $4x$ (degree 1).
3. Finally, the constant term is $7$ (degree 0).
Placing these terms in descending order (from the highest power to the lowest), we obtain:
$$-3x^3 + 4x + 7.$$
Thus, the correct answer is option D:
$$-3x^3 + 4x + 7.$$
$$7 - 3x^3 + 4x.$$
Our goal is to rewrite this expression in standard form, which means arranging the terms in descending order of their exponents.
1. The term with the highest power is $-3x^3$ (degree 3).
2. The next term is $4x$ (degree 1).
3. Finally, the constant term is $7$ (degree 0).
Placing these terms in descending order (from the highest power to the lowest), we obtain:
$$-3x^3 + 4x + 7.$$
Thus, the correct answer is option D:
$$-3x^3 + 4x + 7.$$
