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(﹣∞,0) (0,+∞) (﹣∞,e4) (e4,+∞)
f(x)≥f(a) f(x)≤f(a) f(x)>f(a) f(x)
f(0)+f(2)<2f(1) f(0)+f(2)≤2f(1) f(0)+f(2)≥2f(1) f(0)+f(2)>2f(1)
f(0)+f(2)<2f(1) f(0)+f(2)£2f(1) f(0)+f(2)³2f(1) f(0)+f(2)>2f(1)
f(0)+f(2)<2f(1) f(0)+f(2)≤2f(1) f(0)+f(2)≥2f(1) f(0)+f(2)>2f(1)
f(0)+f(2)<2f(1) f(0)+f(2)≤2f(1) f(0)+f(2)≥2f(1) f(0)+f(2)>2f(1)
f(0)+f(2)<2f(1) f(0)+f(2)>2f(1) f(0)+f(2)≤2f(1) f(0)+f(2)≥2f(1)
(-∞,0) (0,+∞) (-∞,e4) (e4,+∞)
f(0)+f(2)<2f(1) f(0)+f(2)>2f(1) f(0)+f(2)≤2f(1) f(0)+f(2)≥2f(1)
f(0)+f(2)<2f(1) f(0)+f(2)≤2f(1) f(0)+f(2)≥2f(1) f(0)+f(2)>2f(1)
函数y=f(x)为R.上可导函数,则f′(x0)=0是x0为函数f(x)极值点的充要条件 命题“存在x∈R.,x2+x﹣1<0”的否定是“任意x∈R.,x2+x﹣1>0” 命题“在锐角△ABC中,有 sinA>cosB”为真命题 “b=0”是“函数f(x)=ax2+bx+c是偶函数”的充分不必要条件
f(x)-1是奇函数 f(x)+1是奇函数 f(x)-2010是奇函数 f(x)+2010是奇函数
f(0)+f(2)<2f(1) f(0)+f(2)≤2f(1) f(0)+f(2)≥2f(1) f(0)+f(2)>2f(1)
f(0)+f(2)<2f(1) f(0)+f(2)£2f(1) f(0)+f(2)³2f(1) f(0)+f(2)>2f(1)
f(x)≥f(a) f(x)≤f(a) f(x)>f(a) f(x)
f(0)+f(2)>2f(1) f(0)+f(2)≤2f(1) f(0)+f(2)<2f(1) f(0)+f(2)≥2f(1)