October 2020 0 31 Report
Dadas as expressoes A= a²-5a+8 e B=-b²+3b+12, e correto afirmar que A) Se a =3 e b = 2, entao A>B.
B)Se a =3 e b = -2, entao a=B.
C)Se a = -3 e b = -2, entao A=B.
C) Se a = -3 e b = 2, entao A<B.

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