estion 5 Find the local extrama of f(x)=x-2x+4 on a closed interval [-2,3] O a. minimum value at x=1 is 7 maximum value at x=3 is 12 Ob.minimum value at x =1 is 3 maximum value at x= -2 is 12. Oc. minimum value at x =1 is 3. maximum value at x=3 is 7 Od. minimum value at x =3 is 7 maximum value at x=-2 is 12.

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