SubArea: Calculations with logarithmsLevel: AProject ID: 1003102405Accepted: 1Clonable: 0Easy: 0If \( \log_x\frac49=-\frac12 \) then \( x \) is equal to:\( \frac{81}{16} \)\( \frac{16}{81} \)\( \frac23 \)\( -\frac23 \)
