Question 1080576

If {{{f(x)=x^2+1}}}, find {{{f(x+1)}}}:

{{{f(x)=x^2+1}}}.....replace {{{x}}} with {{{(x+1)}}}

{{{f(x+1)=(x+1)^2+1}}}

{{{f(x+1)=(x^2+2x+1)+1}}}

{{{f(x+1)=x^2+2x+1+1}}}

{{{f(x+1)=x^2+2x+2}}}