Marginal Analysis
Let 
be the revenue for a production 
, 
the cost, and 
the profit. Then
and the marginal profit for the
th unit is defined by
where
, 
, and 
are the Derivativesof , , and , respectively.See also Derivative- Quota System
- Quotient
- Quotient-Difference Algorithm
- Quotient-Difference Table
- Quotient Group
- Quotient Ring
- Quotient Rule
- Quotient Space
- q-Vandermonde Sum
- R
- R-
- R+
- Raabe's Test
- Rabbit Constant
- Rabbit-Duck Illusion
- Rabbit Sequence
- Rabdology
- Rabin-Miller Strong Pseudoprime Test
- Rabinovich-Fabrikant Equation
- Racah V-Coefficient
- Racah W-Coefficient
- Radau Quadrature
- Rademacher Function
- Radial Curve
- Radial Point