Question 407271
Rule: f(x)= x squared - 3x
f(x) = {{{x^2 - 3x}}}
.
f(x+1) then is:
f(x+1) = {{{(x+1)^2 - 3(x+1)}}}
f(x+1) = {{{(x+1)(x+1) - 3(x+1)}}}
f(x+1) = {{{x^2+2x+1 - 3(x+1)}}}
f(x+1) = {{{x^2+2x+1 -3x-3}}}
f(x+1) = {{{x^2-x+1-3}}}
f(x+1) = {{{x^2-x-2}}}