Question

Urgent !!!!!!!!!!!!!!
Sa se studieze monotonia functiilor :
a) f: [1,+ ∞)-R,f(x)=$3 x^{2} -2x+1$
b)f:R-R , f(x)=$x^{2} +5x+4$
c)f:N-R, f(n)=$(-2^){n}$

Answer 1

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