# Complex Variables and Applications

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f(z) is defined by the equations: f(z)=1 when y<0 and f(z)=4y when y>0, and C is the arc from z=-1-i to z=1+i along the curve y = x^3. The answer is given as 2+3i.

For C1 I get z=-x-ix^3, but the book says it is x+ix^3 (-1<x<0).

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#### Solution Summary

In this solution, we use complex analysis to compute a contour integral in the complex plane.

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