How to Graph an Exponential Function?

Identify the function in the form y = ab^x or y = a(1 + r)^x

Determine the y-intercept by substituting x = 0

Find several additional points by choosing x-values such as -2, -1, 1, 2

Evaluate y for each chosen x-value

Plot all points on the coordinate plane

Draw a smooth curve through the points

Show the horizontal asymptote, usually y = 0 unless shifted

Check whether the graph increases or decreases

Reflect the graph if the base or coefficient is negative

Apply any vertical shift, horizontal shift, or stretch if present

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