Question

If f(x)= 2x^2-3x+4, then f(x+3) is equal to

Answer 1

f(x+3) = 2(x+3)^2 -3(x+3) +4
f(x+3) = 2(x+3)^2 -3x-9+4
f(x+3) = 2(x+3)^2 -3x-5