Let $f ( x ) = x \left| x ^ { 3 } \right|$.
a. Sketch the graph of $f$.
b. For what values of $x$ is $f$ differentiable?
c. Find a formula for $f ^ { \prime } ( x )$.

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The Answer of Let $f ( x ) = x \left| x ^ { 3 } \right|$.
a. Sketch the graph of $f$.
b. For what values of $x$ is $f$ differentiable?
c. Find a formula for $f ^ { \prime } ( x )$.

Let f(x)=x∣x3∣f ( x ) = x \left| x ^ { 3 } \right|f(x)=x​x3​

Let $f ( x ) = x \left| x ^ { 3 } \right|$