+ - +
______[-3]_____[1/3]_____
///////////// //////////////
3ˣ=у>0
3у²+8у-3≥0; у=(-4±√(16+9)/3; у=-3 ∅
_____-3___0____1/3_____________
- +
y≥1/3
3ˣ≥3⁻¹, т.к. 3 больше 1, то х∈[-1;+∞)
Copyright © 2024 SCHOLAR.TIPS - All rights reserved.
Answers & Comments
+ - +
______[-3]_____[1/3]_____
///////////// //////////////
Verified answer
3ˣ=у>0
3у²+8у-3≥0; у=(-4±√(16+9)/3; у=-3 ∅
_____-3___0____1/3_____________
- +
y≥1/3
3ˣ≥3⁻¹, т.к. 3 больше 1, то х∈[-1;+∞)