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Domain: (- ∞,∞) y -intercept is the point (0, 1) Continuous Increasing if a > 1. Range: (0, ∞) No x -intercept Horizontal asymptote y =0 Decreasing if a < 1. Characteristics of Exponential Functions f ( x ) = a x.
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Domain: (-∞,∞) y-intercept is the point (0,1) Continuous Increasing if a > 1 Range: (0,∞) No x-intercept Horizontal asymptote y=0 Decreasing if a < 1 Characteristics of Exponential Functions f(x) = ax