Which of these lines in the xy-plane does not contain any point with two negative coordinates?  Choose the correct choice:	A) y = 4x	B) y = x + 6	C) y = x^2 - 5	D) y = x^3 + 3x	E) y = 2x^4
2x^4 is 0 when x is 0 and positive for all other values of x.   The answer is y = 2x^4.
<result>E</result>
Which of these lines in the xy-plane does not contain any point with two negative coordinates?