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-2 sxs-1Q.19(a) Let f(x) = {x2+2x,-1ltxl...

-2 sxs-1Q.19(a) Let f(x) = {x2+2x,-1ltxlt02x - x2, 0ltxlt1(2-8,1ltxlt2Find the number of integers in the range of f(x).definitiox2 - 2, 0ltxlt0x, 0ltxlt2(b) Let g(x) = (x-2)2,25xlt4X-4, 45xlt0If the equation g(x)=k has four real and distinct roots, then find the sum of all possible integral valuesof k.-&; 8lt0If f(x)=11 -21-xgt0, then find the number of solutions of the equation f(f(x))=1.(C)find the absolute valu

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