Observe the population growth curve and answer the questions given below:
State the conditions under which growth curve ‘A’ and growth curve ‘B’ plotted in the graph are possible.
Solve the following L.P.P. by graphical method:
Maximize:
\[ z = 10x + 25y. \] Subject to: \[ 0 \leq x \leq 3, \quad 0 \leq y \leq 3, \quad x + y \leq 5. \]