To find x intercept ,
let f(x) = y
therefore y= 8x - 4
in solving for x intercept, me plug in y = 0
thus
8x - 4 =0
solving for x
8x = 4
dividing through by 8
8x/8 =4/8
x =4/8
x =1/2
therefore, the x intercept is 1/2
