Answer:
The correct option is 3. f + 6 is an algebraic expression for the phrase "the sum of f and 6".
Explanation:
Consider the two algebraic terms f and 6.
We need to find an algebraic expression for the phrase "the sum of f and 6".
The different algebraic expression with phrase are:
f - 6 = The difference of f and 6
f + 6 = The sum of f and 6
6f = The product of f and 6
f/6 = The quotient of f and 6.
f + 6 is an algebraic expression for the phrase "the sum of f and 6". Therefore the correct option is 3.