Based on premilinary reports by geological survey team it is estimated that a newly discovered gold mine72t?can be expected to produce gold at a rate of R(t)tons of gold per year where t is the numbert3 + 30of years after mining begins.[A] How much gold will be mined in the first 7 years?tons[B] How long will it take to mine 121 tons of gold?yearsQuestion Help: D Post to forumSubmit QuestionO 8:36

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Answered: Based on premilinary reports by…

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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ul T-Mobile 12:02 AM 100% 4 GEOVANNY ENRIQ... Name Date Per. Situations to Equations Homework Write an equation in y = mx + b form to describe each situation. Identify the starting point (initial value). That's b. Identify the growth. This one will often say ". o Is the growth positive or negative? • You can write your equation as y = mx + b or y = b + mx . per ". That's mx. mx = -27x b = 124 EXAMPLE: A store's sales of music CDs has decreased by 27 per year. There were 124 CDs sold in the first year. y = -27x + 124 1. A Norfolk pine is 18 inches tall and grows at a rate of 1.5 feet per year. 2. An airplane at an altitude of 3000 feet descends at a rate of 500 feet per mile. 3. An overweight Siamese cat weighs 20 pounds, and is on a diet to lose 1 pound per month. 4. An online store charges $3 per order plus $0.99 per book for shipping. 5. You have saved $50 toward the cost of a new television. You plan to save $5 more each week. 6. A rental company charges $8 per hour for a mountain…
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