Exercise 3. Determine whether the equation definesyasafunction ofx.
a)y=2x²-3x+4d)y=x²h)y
i)x=y²b)x²=8-y²
c)y=Vxj
)(x-2x+3
e)y=±VI-2x
g)
3x-1
x+2
k)y=|x|
()x+y³²=1
m)x²-4y²=1