SubArea: Logarithmic functionsLevel: BProject ID: 1003118503Accepted: 1Clonable: 0Easy: 0Which of the following functions is increasing?\( f\colon y=-\log_{\frac12}x \)\( f\colon y=-\log_2x \)\( f\colon y=-2\log_2x \)\( f\colon y=\log_{\frac12}x \)