Find the Function Value $f ( x ) = \left( \frac { 1 } { 5 } \right) ^ { x }$

question 256

Multiple Choice

Find the function value. If the result is irrational, round your answer to the nearest thousandth.
-Let $f ( x ) = \left( \frac { 1 } { 5 } \right) ^ { x }$ . Find $f ( 3 )$ .

• A) \(\frac { 1 } { 243 }\)
• B) \(\frac { 1 } { 125 }\)
• C) 125
• D) \(\frac { 1 } { 15 }\)

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