An exponential function is written in the form $f(x) = a \cdot b^{x-h} + k$ The variable $h$ is called the HORIZONTAL SHIFT. Match the following exponential functions to their corresponding graphs: $f(x) = 2^{x-1}$ $f(x) = 5^{x-1}$ $f(x) = 4^{x-1}$ $f(x) = 3^{x-1}$
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A positive $h$ shifts the graph to the right, and a negative $h$ shifts it to the left. In all the given functions, $k=0$ and $a=1$. The base $b$ determines the steepness of the curve. Show more…
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