You can use GeoGebra to compute marginal revenue, marginal cost and marginal profit. These are all very useful functions for helping you make financial projections.
GeoGebra Instruction 1
Algebra View under View in Menu. revenue function as R =
cost function as C =
using one row for each function in Algebra View.
R’ in a new row in Algebra View and press Enter. This is the marginal revenue. C’ in a new row in Algebra View and press Enter. This is the marginal cost. Expand(R’- C’) in a new row in Algebra View and press Enter. This is the marginal profit.