Final answer:
The subject of this question is Mathematics. The correct answer is A) Product of two functions. In mathematics, the product of two functions refers to the result of multiplying two functions together.
Step-by-step explanation:
The subject of this question is Mathematics. The question asks about the type of function represented by the expression 'the product of two functions'. The correct answer is A) Product of two functions. In mathematics, the product of two functions refers to the result of multiplying two functions together. This can be represented symbolically as f(x) * g(x), where f(x) and g(x) are two separate functions.