Ans: A
Note that $y=1-f(x)$ represents reflecting $y=f(x)$ about the $x$-axis and then translating upwards $1$ units. Therefore, A is the answer.
Note that $y=1-f(x)$ represents reflecting $y=f(x)$ about the $x$-axis and then translating upwards $1$ units. Therefore, A is the answer.
