Klein, Ch. 8. Application include the firm's profit maximization problem, optimal economic growth rates, constrained utility maximization and others. Univariate Functions Klein, Ch. 9. R. Romanathan, Introduction to the theory of Economic Growth, Ch. The Natural Rate of Growth Multivariate Functions Klein, Ch. 10.
Applications arise directly from the household constrained utility maximization problem and others.
Klein, Ch. 11. Dynamic Analysis, and Integral Calculus. Applications include study of the time path of economic variables as they move from one equilibrium to another, disequilibrium analysis, business cycle analysis, and others. Integral Calculus Klein, Ch. Klein, Ch. 13.