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f(x)={(c^x ,,0lexle1),(2-c^(x-1) , ,1ltx...

`f(x)={(c^x ,,0lexle1),(2-c^(x-1) , ,1ltxlt=2),( x-c ,,2ltxlt=3):},` and `g(x)=int_0^xf(t)dt ,x in [1,3]` then `g(x)` has
`(A)`local maxima at `x=1+ln2`and local minima at `x=c`
`(B)`local maxima at `x=1`and local minima at `x=2`
`(C)`no local maxima
`(D)` no local minima

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