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Omni-MATH / Suppose that x,y, and z are non-negative real numbers such that x+y+z=1. What is the maximum possible value of x+y²+z³ ?

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problem

Suppose that x,yx, y, and zz are non-negative real numbers such that x+y+z=1x+y+z=1. What is the maximum possible value of x+y2+z3x+y^{2}+z^{3} ?
Plain-text mathematical notation (without MathML)
Suppose that x,y, and z are non-negative real numbers such that x+y+z=1. What is the maximum possible value of x+y²+z³ ?
Original LaTeX notation
Suppose that $x, y$, and $z$ are non-negative real numbers such that $x+y+z=1$. What is the maximum possible value of $x+y^{2}+z^{3}$ ?

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