Find the upper Riemann sum U(f, P) and the lower Riemann sum L(f, P) for each of the following functions for the indicated partition. Let P:=-<-<0<, be a partition of [-4,4], and (sin(2x), 0≤x≤4; f(x)=sin(2x), - ≤x<0; cos(2x) - Ma<-.

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A: given,  c=12 let  A=4+c

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A:

Q: so what is the solution

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A: Let's solve.

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Q: could you actually show the work for the answer?

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Q: How did you figure out the answers? Can you show your work

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