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Soluções para a tarefa
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a)
8^(2x+1) < 32^(x+2)
(2^3)^(2x+1) < (2^5)^x+2
2^(6x + 3) < 2^(5x + 10)
6x + 3 < 5x + 10
x < 7
b)
(4/9)^(2x+5) < (2/3)^(3x+2)
(2^2/3^2)^(2x+5) < (2/3)^(3x+2)
(2/3)^(4x+10) < (2/3)^(3x+2)
4x + 10 > 3x + 2
x > (-8)
8^(2x+1) < 32^(x+2)
(2^3)^(2x+1) < (2^5)^x+2
2^(6x + 3) < 2^(5x + 10)
6x + 3 < 5x + 10
x < 7
b)
(4/9)^(2x+5) < (2/3)^(3x+2)
(2^2/3^2)^(2x+5) < (2/3)^(3x+2)
(2/3)^(4x+10) < (2/3)^(3x+2)
4x + 10 > 3x + 2
x > (-8)
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