Provide an Appropriate Response $\mathbf { p } _ { 3 }$

question 36

Multiple Choice

Provide an appropriate response.
-If 2 Bézier curves are joined at the point $\mathbf { p } _ { 3 }$ what is necessary for $\mathrm { C } ^ { 1 }$ parametric continuity?

• A) p\(_ { 3 }\) just needs to be a control point for both curves.
• B) Both tangent vectors at \(\mathbf { p } _ { 3 }\) need to have the same magnitude and direction.
• C) Both tangent vectors at \(\mathbf { p } _ { 3 }\) need to point in the same direction.
• D) The second derivative at \(\mathbf { p } _ { 3 }\) needs to equal 0 .

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