Draw e^ax

My nephew gets confused in drawing exponential curves with many variations: \boxed {y = e^{ax} }

image

If -e^{ax} , then reverse the y values, that is flip the curve over x-axis.

Math Joke:
image

Note:

\frac {dy}{dx}  e^{x} = e^{x}
\int e^{x} dx =  e^{x} + c

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