In the expression \(4x - 3 + 7x + 1\), the like terms are those that have the same variable raised to the same power.
- \(4x\) and \(7x\) are like terms because they both contain the variable \(x\).
- \(-3\) and \(1\) are like terms because they are both constant terms.
The pairs of like terms in the given options are:
- 4x and 7x
- -3 and 1
So, the correct pairs of like terms are:
- 4x and 7x
- -3 and 1
The other options (\(4x\) and \(-3\), and \(7x\) and \(-3\)) do not represent like terms.