Question

va rog sa îl faceți rapid ​

Answer 1

$(2^3\cdot3)^2+5^2\cdot x \leq 606\\(2^3)^2\cdot3^2+5^2\cdot x\leq 606\\2^6\cdot9+25 x\leq 606\\64\cdot9+25 x\leq 606\\576+25 x\leq 606\\25 x\leq 606-576\\25x\leq 30\\x\leq \frac{30}{25} =\frac{6}{5} \iff x \in (-\infty,\frac{6}{5} ]$