Question

If f(x)= 2x2 + 3, then f(x - 1)=2x2 + 4x + 5.
True
False

Answer 1

True

Explanation:

Answer 2

`\boxed{\mathrm{True}}`

Explanation:

`f(x) = 2x^2+3`

Put x = x -1

`f(x-1) = 2(x-1)^2+3\\f(x-1) = 2(x^2-2x+1)+3\\f(x-1) = 2x^2-4x+2+3\\f(x-1) = 2x^2-4x+5`

So, it is true.