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  1. AP Calculus
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Parametric Equations, Polar Coordinates, and Vector–Valued Functions (BC Only)

Question 1
college-boardCalculus AB/BCAPExam Style
1 mark

For a continuous vector field described by F(x,y,z)=⟨xy2,−xz3,x+y⟩\mathbf{F}(x,y,z)=\langle xy^2,-xz^3,\sqrt{x+y} \rangleF(x,y,z)=⟨xy2,−xz3,x+y​⟩, what integral calculation accurately reflects how changes solely in variable yyy affect circulation around a closed loop C lying entirely in plane x=1x=1x=1?

Question 2
college-boardCalculus AB/BCAPExam Style
1 mark

Given that Monte Carlo Integration is used in estimating integrals when deterministic methods fail due complexity inherent high dimensionality surfaces what would be appropriate response if asked about its efficacy relative traditional numerical strategies?

Question 3
college-boardCalculus AB/BCAPExam Style
1 mark

What technique could simplify finding the arc length of curve traced out by vector-valued function r(t)=[cos⁡(4t)sin⁡(4t)]\mathbf{r}(t)=\begin{bmatrix} \cos(4t) \\ \sin(4t) \end{bmatrix}r(t)=[cos(4t)sin(4t)​] over interval [0, π4\frac{\pi}{4}4π​]?

Question 4
college-boardCalculus AB/BCAPExam Style
1 mark

What is an example of parameterization used in calculus problems involving motion along a path?

Question 5
college-boardCalculus AB/BCAPExam Style
1 mark

Given a vector-valued function r⃗(t)=<e2t,ln⁡(t),t3>\vec{r}(t) = \left<e^{2t}, \ln(t), t^3\right>r(t)=⟨e2t,ln(t),t3⟩, what is the result of ∫1e∣r⃗,′(t)∣dt\int_1^e | \vec{r},'(t) | dt∫1e​∣r,′(t)∣dt?

Question 6
college-boardCalculus AB/BCAPExam Style
1 mark

What does the displacement of a parametric function tell us?

Question 7
college-boardCalculus AB/BCAPExam Style
1 mark

Which of the following techniques is most suitable for evaluating the integral of a vector-valued function r(t)=[ln⁡(t)11−t2t3/2]\mathbf{r}(t) = \begin{bmatrix} \ln(t) \\ \frac{1}{\sqrt{1-t^2}} \\ t^{3/2} \end{bmatrix}r(t)=​ln(t)1−t2​1​t3/2​​ from 000 to 111?

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Question 8
college-boardCalculus AB/BCAPExam Style
1 mark

If vector p⃗(t)\vec{p}(t)p​(t) is defined as ⟨e−t,cos⁡(πt)⟩\langle e^{-t}, \cos(\pi t) \rangle⟨e−t,cos(πt)⟩, where does evaluating ∫012p⃗′(t)dt\int_0^{\frac{1}{2}} \vec{p}'(t) dt∫021​​p​′(t)dt result in?

Question 9
college-boardCalculus AB/BCAPExam Style
1 mark

A car travels along a highway with a velocity given by the function v(t)=4tv(t) = 4tv(t)=4t. What is the displacement of the car from t=1t = 1t=1 to t=3t = 3t=3?

Question 10
college-boardCalculus AB/BCAPExam Style
1 mark

What is an approximate value of the length of the curve represented by r(t)=⟨tln⁡(t),t,t3/2⟩\mathbf{r}(t) = \langle t \ln(t), \sqrt{t}, t^{3/2} \rangler(t)=⟨tln(t),t​,t3/2⟩ from t=1t=1t=1 to t=4t=4t=4, using five subintervals and Simpson's Rule?