(a) Prove that if æ > 3 and y > 4, then ry > 11. (b) Determine the range of f, if f : D → R, where f(x) = x². I. D = (-2, 2) II. D = [-7, 2| III. D = (-4, 2]|

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(a) Prove that if æ > 3 and y > 4, then ry > 11.
(b) Determine the range of f, if f : D → R, where f(x) = x².
I. D = (-2, 2)
II. D = [-7, 2|
III. D = (-4, 2]|
Transcribed Image Text:(a) Prove that if æ > 3 and y > 4, then ry > 11. (b) Determine the range of f, if f : D → R, where f(x) = x². I. D = (-2, 2) II. D = [-7, 2| III. D = (-4, 2]|
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