2020 · Q21
If log x = 1.25 and y = x^(log x), then what is log y equal to?
Elementary MathematicsAlgebra
- A4.25
- B2.5625
- C1.5625
- D1.25
Explanation
log y = log(x^{log x}) = (log x)(log x) = (log x)². With log x = 1.25, log y = 1.25² = 1.5625. Numerically the answer is 1.5625.