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User Jwarzech
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Answer:

D. undefined

General Formulas and Concepts:

Calculus

Derivatives

Derivative Notation

Derivative of a constant is 0

Basic Power Rule:

  • f(x) = cxⁿ
  • f’(x) = c·nxⁿ⁻¹

Derivative Rule [Chain Rule]:
\displaystyle (d)/(dx)[f(g(x))] =f'(g(x)) \cdot g'(x)

Trig Derivative:
\displaystyle (d)/(dx)[sinu] = u'cosu

Derivatives of Parametrics:
\displaystyle (dy)/(dx) = ((dy)/(dt))/((dx)/(dt))

Explanation:

Step 1: Define


\displaystyle (dx)/(dt) = 5


\displaystyle (dy)/(dt) = sin(t^2)

Step 2: Differentiate

  1. [x Derivative] Basic Power Rule:
    \displaystyle (d^2x)/(dt^2) = 0
  2. [y Derivative] Trig Derivative [Chain Rule]:
    \displaystyle (d^2y)/(dt^2) = cos(t^2) \cdot (d)/(dt)[t^2]
  3. [y Derivative] Basic Power Rule:
    \displaystyle (d^2y)/(dt^2) = cos(t^2) \cdot 2t^(2 - 1)
  4. [y Derivative] Simplify:
    \displaystyle (d^2y)/(dt^2) = 2tcos(t^2)
  5. [Derivative] Rewrite:
    \displaystyle (d^2y)/(dx^2) = (2tcos(t^2))/(0)

Anything divided by 0 is undefined.

Topic: AP Calculus BC (Calculus I/II)

Unit: Differentiation with Parametrics

Book: College Calculus 10e

User Richflow
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