Question

5555高一函数我咋不懂呢...求偶像继续帮忙

Answer 1

设x+1=t,则x=t-1

F(x+1)=2X^2+1

F(t)=2（t-1）^2+1

所以F(X)的解析式:F(x)=2(x-1)^2+1