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# 4 Let f: [0,3] - R be identified by f (x) = 10, 5, if x E [0,1] if x E [1,3] Using only the definition of integrability, prove that f is integratable....

I know understand the proof for this but my next question is

5.2.4Let f: [0,3] - R be identified byf (x) = 10,5,if x E [0,1]if x E [1,3]Using only the definition of integrability, prove that f is integratable.