SubArea: Exponential functionsLevel: AProject ID: 2010013005Source Problem: 2010013004Accepted: 0Clonable: 1Easy: 0What value takes the function \(f(x)=8^x\) for the value of the argument \(x=-\frac23\)?\(0.25\)\(4\)\(\frac1{2^3}\)\(\frac1{\sqrt[3]{8}}\)
