# Shape of Total Product, Marginal Product and Average Product

Suppose the short-run total product curve (TPL) is a linear function of the variable input over some range of values. Determine the shape of the corresponding marginal product (MPL) and average product (APL) functions.

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#### Solution Preview

Since total product curve is a linear function, the equation for total product will be

TPL=a ...

#### Solution Summary

This problem helps to understand the shape of total product curve (TPL), marginal product (MPL) and average product (APL) functions.

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