The price-demand equations x = f(p, q) and y = g(p, q) represent the num- ber of units demanded of products A and B, respectively, at a price p for 1 init of product A and a price q for 1 unit of product B. Below are examples of weekly price demand equations for A and B: T = f(p,g) = 800 – 0.9p² +0.89² Product A
The price-demand equations x = f(p, q) and y = g(p, q) represent the num- ber of units demanded of products A and B, respectively, at a price p for 1 init of product A and a price q for 1 unit of product B. Below are examples of weekly price demand equations for A and B: T = f(p,g) = 800 – 0.9p² +0.89² Product A
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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CAN YOU WRITE DOWN BREIF SOLUTIONS PLEASE
Transcribed Image Text:1. The price-demand equations r = f(p, q) and y = g(p, q) represent the num-
ber of units demanded of products A and B, respectively, at a price p for 1
unit of product A and a price q for 1 unit of product B. Below are examples
of weekly price demand equations for A and B:
I = f(p, q) = 800 – 0.9p² + 0.8q²
Product A
y = g(p, q) = 1500 + 0.4p² – 0.3q?
Product B
(a) Find a function R (in terms of two independent variables) to denote
the total revenue (in pesos) from selling both products. Find R„(10,2)
and interpret the results.
(b) In general, when two products, A and B, tend to be consumed or used
together, the products are said to be complementary. Mathematically,
this means that f,(p, q) < 0 and g,(p, q) < 0 should both be true. Give
an example of two products that are complementary.
(c) In general, A and B are said to be competitive (substitute) products if
fa(p, q) > 0 and g„(p, q) > 0. Explain what these inequalities mean.
(d) If neither conditions in (b) nor (c) are met, the products are neither com-
plementary nor competitive. Use the tests above to determine whether
the products in the given examples are complementary, competitive, or
neither.
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