Please solve this two questions
12.a ans 4 ,5
12 .b ans -11,5
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What term makes it inconsistent y=2x - 4 ?

Thelime contains the point(-3,0) and parallel x-3y=3( show all work)

Use the method of cylindrical shells to find the volume v generated by rotating the region bounded by the curves about the given axis.y = 7ex, y = 7e^-x, x = 1; about the y-axis