The demand functions for two products are given below. p1, p2, q1, and q2 are the prices (in dollars) and quantities for products 1 and 2. q1 = 200 − 3p1 + p2 q2 = 150 + p1 − 2p2 a. Are these two products complementary goods or substitute goods? b. What is the quantity demanded for each when the price for product 1 is $20 per item and the price for product 2 is $30 per item?

Calculus: Early Transcendentals
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Author:James Stewart
Publisher:James Stewart
Chapter1: Functions And Models
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Problem 1RCC: (a) What is a function? What are its domain and range? (b) What is the graph of a function? (c) How...
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The demand functions for two products are given below. p1, p2, q1, and q2 are the prices (in
dollars) and quantities for products 1 and 2.
q1 = 200 − 3p1 + p2
q2 = 150 + p1 − 2p2  


a. Are these two products complementary goods or substitute goods?
b. What is the quantity demanded for each when the price for product 1 is $20 per item and
the price for product 2 is $30 per item?  

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