Use algebraic techniques to determine the domain and range of the following functions over R. Check your conclusions with a computational plot of each function.

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2x-1 a. • f(x) = 2x²+x-1 b. g(z) = In : In (₂ 22-1 2z²+2-1 = sin (2²+4y-1 c. h(y) = sin( d. j(p) = exp 2p-1 2p²+p-1