what is the coefficient in 3x to the second power + 2

The coefficient is the numerical factor in front of a variable in a term. In the given expression, 3x^2 + 2, the term with the variable "x" is 3x^2. The coefficient in this case is 3, since it is the numerical factor in front of the variable "x".

The coefficient of 3x^2 is 3. The exponent is 2