# Calculating Total Revenue and Marginal Revenue

A firm's demand function is defined as Q = 14 - 2P.

a) Use this function to calculate total revenue when price is equal to 3 and when price is equal to 4.

b) What is marginal revenue equal to between P=$3 and P=$4?

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#### Solution Preview

a)

When P = 3:

Q = 14 - 2P

Q = 14 - 2(3)

Q = 14 - 6

Q = ...

#### Solution Summary

This solution shows how to calculate a firm's total revenue and marginal revenue from its demand function. All calculations are given in full.

$2.19