求y=0.5^(1+2x-x^2)此函数的值域
问题描述:
求y=0.5^(1+2x-x^2)此函数的值域
答
答:
f(x)=1+2x-x^2
=-(x-1)^2+2
求y=0.5^(1+2x-x^2)此函数的值域
答:
f(x)=1+2x-x^2
=-(x-1)^2+2