f(2x-1)=3x+5,求f(x)
问题描述:
f(2x-1)=3x+5,求f(x)
答
设t=2x-1 x=(t+1)/2 f(t)=3(t+1)/2+5 =0.5t+6.5 f(x)=1.5x+6.5
f(2x-1)=3x+5,求f(x)
设t=2x-1 x=(t+1)/2 f(t)=3(t+1)/2+5 =0.5t+6.5 f(x)=1.5x+6.5