学习好帮手1
1学习好帮手ipad1
学习好帮手45612:1231
ipad23
学习好帮手学习好帮手2
y=x2y3
[-5,5]y=f(x)
VA3V=/(A)\
/Tri-5-4\-3-1/012345-tw1：:f(x)二x21f(x)=kx+b(k丰0)学习好帮手2f(x)=ax2+bx+c(a丰0)k3y=_(k丰0)x123
f(x)二x2(0,+s)29,123451
1ipad2
f(x)二x2(0,+s)学习好帮手3
f(x)xx(0,1)x[]f(x1)f(x2)学习好帮手21f(x)=-x2+2X+3(2)f(x)=-x2+2x+3iQO2112
学习好帮手1
178934:123272学习好帮手1
[-5,5]y=f(x)
f(x)二x21f(x)=kx+b(k丰0)2f(x)=ax2+bx+c(a丰0)k3y=—(k丰0)xf(x)=x2(0,+s)VA学习好帮手123451
f(x)xx(0,1)xf(x1)f(x2)学习好帮手31f(x)=-x2+2X+3(2)f(x)=-x2+2x+3
