Question

Let f1, f2, f3, f4, f5 be functions of Rinto R and let f1=x^2+3x-4. Which of these
functions are equal to f1? *
Here symbol "A2" means square.
O f4(z) = 2^2 + 32 - 4
O x^
f5(x) = x^2 + 3x
Of2(x) = x^2
Of3(y) = y^2 - 4
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Answer 1

Answer:

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Step-by-step explanation:

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