Question

Write f(x)=5 -(x – 4)2 in the form f(x)= ax+bx+c.

Answer 1

`f(x) = 5 - (x - 4)^2`.

Explanation:

`f(x) = 5 - (x - 4)^2`

`f(x) = 5 - (x-4)*(x-4)`

`f(x) = 5 - (x^2 - 4x - 4x + 16)`

`f(x) = 5 - (x^2 - 8x + 16)`

`f(x) = 5 - x^2 + 8x - 16`

`f(x) = -x^2 + 8x - 11`.

Hope this helps!