為偶函數(shù),則一次項(xiàng)系數(shù)為0,即a+1=0
故a=-1
f(x)=-x^2+2
在(-2,2),有:
值域?yàn)?-2,2]
已知函數(shù)f(x)=ax2+(a+1)x+2是定義域?yàn)?-2,2)的偶函數(shù),求y=f(x)的值域
已知函數(shù)f(x)=ax2+(a+1)x+2是定義域?yàn)?-2,2)的偶函數(shù),求y=f(x)的值域
數(shù)學(xué)人氣:134 ℃時(shí)間:2019-11-21 10:42:15
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