plot the tangent of a function at a point - Maple Programming Help

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Student[Calculus1][TangentTutor] - plot the tangent of a function at a point

 Calling Sequence TangentTutor(f, a) TangentTutor(f, var=a)

Parameters

 f - (optional) algebraic expression in one variable var a - (optional) point var - (optional) variable

Description

 • The TangentTutor(f) command launches a tutor interface that plots the tangent line to the graph of f at the point a and computes the equation of the tangent line.
 If f is not specified, TangentTutor uses a default function.
 If a is not specified, TangentTutor uses a default point.
 If var is not specified, TangentTutor uses a default variable.

Examples

 > $\mathrm{with}\left(\mathrm{Student}[\mathrm{Calculus1}]\right):$
 > $\mathrm{TangentTutor}\left(\right)$
 > $\mathrm{TangentTutor}\left(1-{ⅇ}^{x}\right)$
 > $\mathrm{TangentTutor}\left(1-{ⅇ}^{x},4\right)$
 > $\mathrm{TangentTutor}\left(1-{ⅇ}^{x},x=4\right)$
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