Question: Given the function f: NR defined by f(x) = 4x 2 ! + 12x+15. Prove: fins is both one-one and onto function, where sis

Given the function f: NR defined by f(x) = 4x 2 !

Given the function f: NR defined by f(x) = 4x 2 ! + 12x+15. Prove: fins is both one-one and onto function, where sis the range of the function. 2

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