Use the formula k(t) = ||r'(t) × r"(t)|| to find k(t). ||r(t)||* r(t) = 8 cos(7t)i+8 sin(7t)j + 3tk K(t) =

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A: Explained below

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A: We have to find out the limit

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A: Given:

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A: This question can be solved using the concept of compound interest.

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A: To find local maximum and local minimum  and inflection points of given function.

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A: We are allow to solve only three subpart.  If you want rest of part please upload separately

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A: This question can be solved using the concept of complex numbers.

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A: We will find the derivatives.

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Q: 5. The continuous and differentiable function f is given by f(x) = {mx + 2 for x s-1 lx² + k_forx…

A: Here we have to find the value of m+k