Henry's utility function isU(x, w)=x²+ 16xw+ 5x⁵, where x is his consumption of good x and w is his consumption of good w.

a.Henry's preference are nonconvex.

b.None of the above.

c.Henry's indifference curves are hyperbolas.

d.Henry has a bliss point.

e.Henry's indifference curves are straight lines.