Question

Me ajudem urgentemente
Apenas a letra d) e) f)

Answer 1

d)

4x² >  9

x > √(9/4)

x > 3/2

S = { x ∈ |R | x > 3/2}

e)

(√3)² > x²

√3 > x

S = { x ∈ |R | x < √3}

f)

x² +3x < 2x -x²

x² +x < 0

x(x +1) < 0

x' < 0

x'' < -1

S = { x ∈ |R | x < 0}