The following shows the graph of $y=k{{a}^{x}}+1$. The graph passes through the points \(\left( 0,

Question

The following shows the graph of $y=k{{a}^{x}}+1$. The graph passes through the points $\left( 0,-1 \right)$ and $\left( 3,-127 \right)$. Find the value of $k$. $a$.

Accepted Answer

(i) $k=-2$. (ii) $a=4$.

Graph of Exponential Function

Graph of Exponential Function

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