Which of the following functions do not have a y-intercept?
i) f(x) = x³
ii) f(x) = 1/x
iii) f(x) = 2ˣ
iv) f(x) = log₂x
v) f(x) = sinx
a) i and ii
b) iii, iv and v
c) i, iii and iv
d) ii and iii