Answer:
Linear Function: f(x) = mx + b where m and b are real numbers.
Constant Function: f(x) = b where b is a real number.
Identity Function: f(x) = x.
Square Function: f(x) = x2.
Cube Function: f(x) = x3.
Square Root Function:
Reciprocal Function: f(x) = 1/x.
Absolute Value Function: f(x) = |x|