Calculus with Applications (10th Edition)

Published by Pearson
ISBN 10: 0321749006
ISBN 13: 978-0-32174-900-0

Chapter 4 - Calculating the Derivative - 4.4 Derivatives of Exponential Functions - 4.4 Exercises: 4

Answer

\[{y^,} = \,6{e^{5x}}\]

Work Step by Step

\[\begin{gathered} y = 1.2{e^{5x}} \hfill \\ Find\,\,the\,\,derivative \hfill \\ {y^,} = \,{\left( {1.2{e^{5x}}} \right)^,} \hfill \\ {y^,} = 1.2\,{\left( {{e^{5x}}} \right)^,} \hfill \\ Using\,\,\frac{d}{{dx}}\,\,\left[ {{e^{g\,\left( x \right)}}} \right] = {e^{g\,\left( x \right)}}{g^,}\,\left( x \right) \hfill \\ Then \hfill \\ {y^,} = \,1.2\,\left( {{e^{5x}}} \right)\,{\left( {5x} \right)^,} \hfill \\ {y^,} = \,1.2\,\left( {{e^{5x}}} \right)\,\left( 5 \right) \hfill \\ Multiplying\, \hfill \\ {y^,} = \,6{e^{5x}} \hfill \\ \hfill \\ \end{gathered} \]
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