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Let R="{"x , y")": x , y in R ,x^2+y^2l...

Let `R="{"x , y")": x , y in R ,x^2+y^2lt=25}`and`R^(prime)={(x , y): x , y in R , ygeq4/9x^2}dot` Then find the domain and range of `RnnR^(prime)dot`

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