The equation 3 j 6 = 9 can be shown on a function machine by writing out the functions that have been applied to j in the order they happened. BIDMAS means multiplication happens before subtraction.

The same thing would be true for the first function above, f (x) = x²: n ² would equal n. This would be a weird mathematics indeed (there are algebras in which this happens for some nonunit ...

Fundamental Theorems Theorem 1 Let R be the feasible region (convex polygon) for a linear programming problem and let Z = ax + by be the objective function. When Z has an optimal value (maximum or ...

Susan E. B. Pirie, Lyndon Martin, The Equation, the Whole Equation and Nothing but the Equation! One Approach to the Teaching of Linear Equations, Educational Studies in Mathematics, Vol. 34, No. 2 ...