Question: The figure shows a curve C given by a vector function r(t). (a) Draw the vectors r(4.5) r(4) and r(4.2) r(4). (b) Draw

The figure shows a curve C given by a vector function r(t).

(a) Draw the vectors r(4.5) − r(4) and r(4.2) − r(4).

(b) Draw the vectors

r(4.5) - (4) (4.2) (4) and 0.5 0.2

(c) Write expressions for r'(4) and the unit tangent vector T(4).

(d) Draw the vector T(4).

r(4.5) - (4) (4.2) (4) and 0.5 0.2

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