Intermediate Algebra (6th Edition)

Published by Pearson
ISBN 10: 0321785045
ISBN 13: 978-0-32178-504-6

Chapter 9 - Section 9.4 - Exponential Growth and Decay functions - Exercise Set - Page 564: 4

Answer

The final amount after 19 years of growth is approximately $1,510,182$.

Work Step by Step

RECALL: Exponential growth is represented by the formula $y=C(1+r)^x$ where C = initial/original amount r - growth rate x = number of time intervals The given exponential growth has: C = 1000 r = $47\%$ x = 19 years Substitute these values into the given formula above to have: $y=1000(1+47\%)^{19} \\y=1000(1+0.47)^{19} \\y=1000(1.47^{19}) \\y=1,510,182.246 \\y\approx 1,510,182$
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