A. Directions: Find the limit of the following rational functions: X-1 1. lim x1Vx² + 3 sec x 2. lim x2 Vx² +1 3. lim 4. lim 3 5. lim xv9-x-

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A: Continuous 

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A: f(x,y)=3ex siny∇f= ∂f∂x i + ∂f∂y j∇f=3sinyddx(ex) i +3exddy(sin y) j∇f(x,y)=(3ex siny, 3excosy)at 0,...

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A: Since you have asked multiple questions in a single request we would be answering only the first que...

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