Question

What is the x-intercept of the group of the function f(x) =x2 -16x + 64

Answer 1

The x-intercept of a function is basically it's roots. So when you factor out the function f(x) = x^2 - 16x + 64 you get

(x-8)(x-8)

x = 8

So x-int. is (0,8) or x = 8