Contact us
Choose a category below so we can get back to you as quickly as possible.
∵函數f(x)=4x2-mx+5的對稱軸為x=m8,而函數f(x)=4x2-mx+5在區間[-2,+∞)上是增函數,∴m8≤-2,∴m≤-16.故選C.
We and our partners use cookies and other technologies to analyze traffic and optimize your experience. View more info and control your cookies settings at any time in our Cookies Policy.