Respuesta :
y = kx where k is a constant
Plug in y = 1 and x = 2 to find k:_
1 = k*2
k = 0.5
so its y = 0.5x
now to find y when x = 4 replace the x by 4:-
y = 0.5 * 4 = 2
A
Plug in y = 1 and x = 2 to find k:_
1 = k*2
k = 0.5
so its y = 0.5x
now to find y when x = 4 replace the x by 4:-
y = 0.5 * 4 = 2
A