2^x+4 ≥ -2²+6.2^x+3
2^x+4 ≥ -4+6.2^x+3
2^x+4-6.2^x+3 ≥ -4
(2-6).2^x+3 ≥ -4
-4.2^x+3 ≥ -4
2^x+3 ≤ 1
2^x+3 ≤ 2⁰
x+3 ≤ 0
x ≤ -3
29/07/22
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g) x ≤ -3
2^x+4 ≥ -2²+6.2^x+3
2^x+4 ≥ -4+6.2^x+3
2^x+4-6.2^x+3 ≥ -4
(2-6).2^x+3 ≥ -4
-4.2^x+3 ≥ -4
2^x+3 ≤ 1
2^x+3 ≤ 2⁰
x+3 ≤ 0
x ≤ -3
❤️ Boa noite!!!
29/07/22