Question

If ƒ( x )= 2 x 2 + 3, then ƒ( x - 1)= 2 x 2 + 4 x + 5. true or false

Answer 1

$f(x)=2x^2+3\\\\f(x-1)=2(x-1)^2+3=2(x^2-2x+1)+3=2x^2-4x+2+3=2x^2-4x+5\neq2x^2+4x+5\\\\Answer:FALSE$