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Question
the function f is defined as follows.
$f(x)=\sqrt3{x}+2$
find $f(64)$ and $f(-216)$.
$f(64)=\square$
$f(-216)=\square$
Step1: Calcular \( f(64) \)
Sustituir \( x = 64 \) en \( f(x)=\sqrt[3]{x}+2 \). Primero, encontrar la raíz cúbica de 64. Sabemos que \( 4^3 = 64 \), así que \( \sqrt[3]{64}=4 \). Luego, \( f(64)=\sqrt[3]{64}+2 = 4 + 2 \).
\[ f(64)=4 + 2 = 6 \]
Step2: Calcular \( f(-216) \)
Sustituir \( x = -216 \) en \( f(x)=\sqrt[3]{x}+2 \). Sabemos que \( (-6)^3=-216 \), así que \( \sqrt[3]{-216}=-6 \). Luego, \( f(-216)=\sqrt[3]{-216}+2=-6 + 2 \).
\[ f(-216)=-6 + 2=-4 \]
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\( f(64) = 6 \)
\( f(-216) = -4 \)