Precalculus: Mathematics for Calculus, 7th Edition

Published by Brooks Cole
ISBN 10: 1305071751
ISBN 13: 978-1-30507-175-9

Chapter 4 - Review - Exercises: 27

Answer

$x = \log 74$

Work Step by Step

$Write$ $the$ $equation$ $in$ $logarithmic$ $form:$ $10^x = 74$ Exponential form to logarithmic form: $b^c = a \rightarrow \log_b a = c$ Plug in 10 for b, x for c, and 74 for a $$10^x = 74 \rightarrow \log_{10} 74 = x$$ $$\log 74 = x$$ $$x = \log 74$$
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