6. A function is defined as \( f ( x ) = 2 x ^ { 3 } \) - 9. Evaluate \( f ( x ) \) at \( x = 2 \) .
A. \( 73 \)
B. \( 55 \)
C. \( 7 \)
D. \( 25\)
Pregunta
Answer
f(2)=7
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