if 0

Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter1: Variables, Expressions, And Integers
Section: Chapter Questions
Problem 14CR
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An oil refinery produces oil at a variable rate
given by as shown
where t is measured in days and Q is measured in barrels.
a. How many barrels are produced in the first 35 days?
b. How many barrels are produced in the first 50 days?
c. Without using integration, determine the number of barrels produced over the interval [60, 80].

if 0 <t< 30
2600 – 60t if 30 <t < 40
800
Q'(1) =
200
ift 2 40,
Transcribed Image Text:if 0 <t< 30 2600 – 60t if 30 <t < 40 800 Q'(1) = 200 ift 2 40,
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