HÀM SỐ NÀO SAU ĐÂY ĐỒNG BIẾN TRÊN $ \LEFT( { – \INFTY ; + \INFTY } \RIGHT)$?
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Level:
Medium
Question Types: Multiple choice
Answers:
- $ y = {\\\left( {0,7} \\\right)^x}$.
- $ y = {\\\left( {\\\frac{e}{2}} \\\right)^x}$.
- $ y = {\\\left( {\\\sqrt 5 - 2} \\\right)^x}$.
- $ y = {\\\left( {\\\frac{3}{\\\pi }} \\\right)^x}$.