The phrase the sum of g and 3 is g + 3
An alzebraic expression is a mathematical expression written in form of variables and constants separated by addition and subtraction.Multiplication and division do not separate the terms of an alzebraic expression.
According to the given question
The sum of g and 3 is
f(g) = g + 3.
Here f(g) is dependent variable meaning for different values of g we will have different values of f(g).
g and 3 are called terms g is a variable and 3 is constant.Sum meaning addition here we have added two terms together.
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