Hi,
I am pretty sure that the Option A is the correct answer, as, while considering the equation 1/a, Option A: 1/2 is the most appropriate answer.
Other options have different different bases and type of answering.
Option A is the correct answer.
Hope it helps you...
Answered by Benjemin ☺️
Pls mark brainliest if it helps you
Option A,C
[tex]\\ \sf\longmapsto \dfrac{1}{2}[/tex]
[tex]\\ \sf\longmapsto 2[/tex]
[tex]\\ \sf\longmapsto 0.25=\dfrac{1}{4}[/tex]