Question: 80 The work W (in ft . lb) in winding up an 80-ft cable is W= (1000 -7x)dx. Evaluate W. O The work W in

80 The work W (in ft . lb) in winding up an 80-ft cable is W= (1000 -7x)dx. Evaluate W. O The work W in winding up an 80-ft cable is ft . lb. (Type an integer or a simplified fraction.)

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