Question 1128464
Evaluate whether or not the following equation designates z as a function of s. 
{{{s^3 - z^3 = 2^2}}}
{{{s^3 - z^3 = 4}}}
{{{s^3 = z^3 + 4}}}
{{{s = 3sqrt(z^3+4)}}}; that's the cube root of (z^3+4)