Prealgebra & Introductory Algebra (4th Edition)
4th Edition
ISBN: 9780321955791
Author: Elayn Martin-Gay
Publisher: PEARSON
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Question
Chapter C, Problem 3P
To determine
To find:
The time taken for the entire hike.
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6. Researchers who have been studying the alarming rate at which the level of the Dead Sea has been dropping
have shown that the density d (x) (in g per cm³) of the Dead Sea brine during evaporation can be estimated by the
function
d(x)=1.66 0.90x+0.47x²,
where x is the fraction of the remaining brine, 0≤x≤1.
a) Estimate the density of the brine when 60% of the brine remains.
b) Find and interpret the instantaneous rate of change of the density when 60% of the brine remains.
5. If g'(5) 10 and h'(5)=-4, find f'(5) for f(x)=4g(x)-2h(x)+3.
2. Find each derivative. Write answers with positive exponents.
a)
Dx 9x
-3
[97]
b) f'(3) if f(x) = x²-5x²
8
Chapter C Solutions
Prealgebra & Introductory Algebra (4th Edition)
Ch. C - Prob. 1PCh. C - Prob. 2PCh. C - Prob. 3PCh. C - Prob. 4PCh. C - Prob. 1ECh. C - Prob. 2ECh. C - Prob. 3ECh. C - Prob. 4ECh. C - Prob. 5ECh. C - Prob. 6E
Ch. C - Prob. 7ECh. C - Prob. 8ECh. C - Prob. 9ECh. C - Prob. 10ECh. C - Prob. 11ECh. C - Prob. 12ECh. C - Prob. 13ECh. C - Prob. 14ECh. C - Prob. 15ECh. C - Prob. 16ECh. C - Prob. 17ECh. C - Prob. 18ECh. C - Prob. 19ECh. C - Prob. 20ECh. C - Prob. 21ECh. C - Prob. 22ECh. C - Prob. 23ECh. C - Prob. 24ECh. C - Prob. 25ECh. C - Prob. 26ECh. C - Prob. 27ECh. C - Prob. 28ECh. C - Prob. 29ECh. C - Prob. 30ECh. C - Prob. 31ECh. C - Prob. 32ECh. C - Prob. 33ECh. C - Prob. 34ECh. C - Prob. 35ECh. C - Prob. 36ECh. C - Prob. 37ECh. C - Prob. 38E
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