1. The cost (in pesos) of producing x corkboards is given by x2 + 20x + 500, while the price (in pesos) of each corkboard if there is a demand for x units is given by p(x) = 100 − x. (a) Find the marginal profit of producing and selling 15 corkboards. (b) At what production level is the profit at a maximum?
1. The cost (in pesos) of producing x corkboards is given by x2 + 20x + 500, while the price (in pesos) of each corkboard if there is a demand for x units is given by p(x) = 100 − x. (a) Find the marginal profit of producing and selling 15 corkboards. (b) At what production level is the profit at a maximum?
Calculus: Early Transcendentals
8th Edition
ISBN:9781285741550
Author:James Stewart
Publisher:James Stewart
Chapter1: Functions And Models
Section: Chapter Questions
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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1. The cost (in pesos) of producing x corkboards is given by x2 + 20x + 500, while the price (in pesos) of each corkboard if there is a demand for x units is given by p(x) = 100 − x.
(a) Find the marginal profit of producing and selling 15 corkboards.
(b) At what production level is the profit at a maximum?
2. Due north, Seokjin is walking towards the most famous spot in a park at a rate of 1.3 meters per second. Due east, Yoongi is leaving the same spot at a rate of 1 meter per second. If they started walking at the same time, and Seokjin is initially 79 meters away from the spot, how fast is the distance between them changing after 30 seconds?
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