Question

If f(x) = х2 – 2х + 3, thеn find
f(-3).

Answer 1

`\huge\boxed{\sf f(-3) = 18}`

Explanation:

`\sf f(x) = x^2 - 2x + 3`

Put x = -3

`\sf f(-3) = (-3)^2 -2(-3) + 3\\f(-3) = 9 + 6 + 3\\f(-3) = 18`