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Express the function f(x)= (1 if 0⩽x<π, sin2x π⩽x<2π and e^−x x⩾2π) . In terms of...

Express the function f(x)= (1 if 0⩽x<π, sin2x π⩽x<2π and e^−x x⩾2π) . In terms of the unit step functions.

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