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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

What does the displacement of a parametric function tell us?

Question 3
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?

Question 4
college-boardCalculus AB/BCAPExam Style
1 mark

What variable typically represents radial distance in polar coordinates?

Question 5
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 6
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 7
college-boardCalculus AB/BCAPExam Style
1 mark

Given a vector field F(x,y,z)=xi^+yj^+zk^\mathbf{F}(x, y, z) = x\hat{i} + y\hat{j} + z\hat{k}F(x,y,z)=xi^+yj^​+zk^, which method should be used to evaluate its line integral along a curve parameterized by r(t)=⟨t,t2,t3⟩\mathbf{r}(t) = \langle t, t^2, t^3 \rangler(t)=⟨t,t2,t3⟩ from 000 to 111?

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Question 8
college-boardCalculus AB/BCAPExam Style
1 mark

Which technique could potentially reduce error when numerically approximating an integral involving rapid changes in direction within a vector-valued function?

Question 9
college-boardCalculus AB/BCAPExam Style
1 mark

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

Question 10
college-boardCalculus AB/BCAPExam Style
1 mark

If the vector-valued function r(t)=⟨e2t,ln⁡(t),t3⟩\mathbf{r}(t) = \langle e^{2t}, \ln(t), t^3 \rangler(t)=⟨e2t,ln(t),t3⟩ is integrated with respect to ttt, which component will yield a function requiring the application of integration by parts?