Write an equation for a function whose graph has exactly two x-intercepts, one at x=4 and the other at x=2.
the function could be a quadratic equation
so
we have that
f(x)=(x-4)(x-2) -----> function in factored form
Convert to expanded form
f(x)=x^2-2x-4x+8
f(x)=x^2-6x+8