Determine the Percentage Rate of Change of F(x) = $e ^ { 0.9 x }$

question 72

Multiple Choice

Determine the percentage rate of change of f(x) = $e ^ { 0.9 x }$ at x = 15 and x = 30.

• A) \(\frac { f ^ { \prime } ( 15 ) } { f ( 15 ) }\) = 22%, \(\frac { f ^ { \prime } ( 30 ) } { f ( 30 ) }\) = 5%
• B) \(\frac { f ^ { \prime } ( 15 ) } { f ( 15 ) }\) = 90%, \(\frac { f ^ { \prime } ( 30 ) } { f ( 30 ) }\) = 90%
• C) \(\frac { f ^ { \prime } ( 15 ) } { f ( 15 ) }\) = 38%, \(\frac { f ^ { \prime } ( 30 ) } { f ( 30 ) }\) = 14%
• D) \(\frac { f ^ { \prime } ( 15 ) } { f ( 15 ) }\) = 17%, \(\frac { f ^ { \prime } ( 30 ) } { f ( 30 ) }\) = 29%

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