The following shows the graph of $y = k \log_{2}(1 - x) + a$. The graph passes through the points

Question

The following shows the graph of $y = k \log_{2}(1 - x) + a$. The graph passes through the points $(0, -1)$ and $(-31, 9)$. Find the value of $a$. $k$.

Accepted Answer

(i) $2$ (ii) $-1$

Graph of Exponential Function

Graph of Exponential Function