(3) (i) A broken pipe at an oil rig off the east coast of Trinidad produces a circular oil slick that is S meters thick at a distance x meters from the break. It difficult to measure the thickness of the slick directly at the source owing to excess turbulence, but for x 0 they know that 2 3 2 5 2 3 ( ) 2 x x S x x x x If the oil slick is assumed to be continuously distributed, how thick is expected to be at the source? (ii) If 2 4 7 ( ) 4 1 x f x x 1 2 2 4 x x , determine whether the function f x( ) is continuous throughout its domain?
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