Proof Writing & Problem Solving · Easy problem

All variables range over the real numbers. How many of these statements are true? (a) For every $x$ there is a $y$ with $y > x$. (b) There is a $y$ such that for every $x$, $y > x$. (c) For every $x$ there is a $y$ with $y^2 = x$. (d) There is an $x$ such that for every $y$, $x \le y^2$.