Question

решите неравенство 2,5^2x+3>2,5

Answer 1

$2,5^{2x+3}>2,5\\\\a=2,5>1\; \; \; \Rightarrow \; \; \; 2x+3>1\\\\2x>-2\\\\x>-1\\\\\underline {x\in (-1,+\infty )}$