Posted by katty on .
find the xintercepts for the function f(x)= 4x2  4

algebra 
Anonymous,
The xintercept is a point in the equation where the f ( x ) value is zero.
4 x ^ 2  4 = 0
4 x ^ 2 = 4 Divide both sides with 4
x ^ 2 = 1
x = sqrt ( 1 )
x = + OR  1