Horizontal Shift of a Logarithmic Function
Let f(x) = log_b(x). If g(x) = f(x+k), which of the following describes the transformation applied to the graph of f to obtain the graph of g?
A
It shifts the graph horizontally by k units to the left
B
It shifts the graph horizontally by k units to the right
C
It reflects the graph over the y-axis and shifts it by k units
D
It shifts the graph vertically by k units upward
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