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)](https://img.qammunity.org/2022/formulas/mathematics/high-school/vue68srn3fe6bds4idxorm97z7tgwelamw.png)
Trig Derivative:
![\displaystyle (d)/(dx)[sinu] = u'cosu](https://img.qammunity.org/2022/formulas/mathematics/college/d2j56z05d793fy2oxac174080kk1cv52st.png)
Derivatives of Parametrics:

Explanation:
Step 1: Define


Step 2: Differentiate
- [x Derivative] Basic Power Rule:

- [y Derivative] Trig Derivative [Chain Rule]:
![\displaystyle (d^2y)/(dt^2) = cos(t^2) \cdot (d)/(dt)[t^2]](https://img.qammunity.org/2022/formulas/mathematics/college/uz5x0duvo6vt5t90zwvm89on1gvejswslv.png)
- [y Derivative] Basic Power Rule:

- [y Derivative] Simplify:

- [Derivative] Rewrite:

Anything divided by 0 is undefined.
Topic: AP Calculus BC (Calculus I/II)
Unit: Differentiation with Parametrics
Book: College Calculus 10e