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20 Questions
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BC MCQ Set 50 (CB Official 2013) 0/20
Question 1 of 20   |  MCQ  · Level 3
A curve is described by the parametric equations \(x = t^2 + 2 t\) and \(y = t^3 + t^2\). An equation of the line tangent to the curve at the point determined by \(t = 1\) is
A
\(2 x - 3 y = 0\)
B
\(4 x - 5 y = 2\)
C
\(4 x - y = 10\)
D
\(5 x - 4 y = 7\)
E
\(5 x - y = 13\)
Question 2 of 20   |  MCQ  · Level 3
If \(3 x^2 + 2 x y + y^2 = 1\), then \(\dfrac{d y}{d x} =\)
A
\(-\dfrac{3 x + y}{y^2}\)
B
\(-\dfrac{3 x + y}{x + y}\)
C
\(\dfrac{1 - 3 x - y}{x + y}\)
D
\(-\dfrac{3 x}{1 + y}\)
E
\(-\dfrac{3 x}{x + y}\)
Question 3 of 20   |  MCQ  · Level 4
The table gives selected values for the derivative of a function \(g\) on \(-1 \leq x \leq 2\): \(g'(-1.0)=2\), \(g'(-0.5)=4\), \(g'(0)=3\), \(g'(0.5)=1\), \(g'(1.0)=0\), \(g'(1.5)=-3\), \(g'(2.0)=-6\). If \(g(-1) = -2\) and Euler's method with a step-size of \(1.5\) is used to approximate \(g(2)\), what is the resulting approximation?
A
\(-6.5\)
B
\(-1.5\)
C
\(1.5\)
D
\(2.5\)
E
\(3\)
Question 4 of 20   |  MCQ  · Level 3
What are all values of \(x\) for which the series \(\displaystyle\sum_{n=1}^{\infty} \dfrac{n 3^n}{x^n}\) converges?
A
All \(x\) except \(x = 0\)
B
\(|x| = 3\)
C
\(-3 \leq x \leq 3\)
D
\(|x| > 3\)
E
The series diverges for all \(x\).
Question 5 of 20   |  MCQ  · Level 3
If \(\dfrac{d}{d x} f(x) = g(x)\) and if \(h(x) = x^2\), then \(\dfrac{d}{d x} f(h(x)) =\)
A
\(g(x^2)\)
B
\(2 x g(x)\)
C
\(g'(x)\)
D
\(2 x g(x^2)\)
E
\(x^2 g(x^2)\)
Question 6 of 20   |  MCQ  · Level 3
If \(F'\) is a continuous function for all real \(x\), then \(\operatorname*{lim}\limits_{h \rightarrow 0} \dfrac{1}{h} \displaystyle\int_{a}^{a+h} F'(x) d x\) is
A
\(0\)
B
\(F(0)\)
C
\(F(a)\)
D
\(F'(0)\)
E
\(F'(a)\)
Question 7 of 20   |  MCQ  · Level 3
\(\displaystyle\int_{0}^{3} \dfrac{d x}{(1 - x)^2}\) is
A
\(-\dfrac{3}{2}\)
B
\(-\dfrac{1}{2}\)
C
\(\dfrac{1}{2}\)
D
\(\dfrac{3}{2}\)
E
divergent
Question 8 of 20   |  MCQ  · Level 3
Which of the following series converge to \(2\)? I. \(\displaystyle\sum_{n=1}^{\infty} \dfrac{2 n}{n + 3}\) II. \(\displaystyle\sum_{n=1}^{\infty} \dfrac{-8}{(-3)^n}\) III. \(\displaystyle\sum_{n=0}^{\infty} \dfrac{1}{2^n}\)
A
I only
B
II only
C
III only
D
I and III only
E
II and III only
Question 9 of 20   |  MCQ  · Level 3
If the function \(f\) given by \(f(x) = x^3\) has an average value of \(9\) on the closed interval \([0, k]\), then \(k =\)
A
\(3\)
B
\(\sqrt{3}\)
C
\(18^{\dfrac{1}{3}}\)
D
\(36^{\dfrac{1}{4}}\)
E
\(36^{\dfrac{1}{3}}\)
Question 10 of 20   |  MCQ  · Level 3
Which of the following integrals gives the length of the graph \(y = \sin(\sqrt{x})\) between \(x = a\) and \(x = b\), where \(0 < a < b\)?
A
\(\displaystyle\int_{a}^{b} \sqrt{x + \cos^2(sqrt(x))} d x\)
B
\(\displaystyle\int_{a}^{b} \sqrt{1 + \cos^2(sqrt(x))} d x\)
C
\(\displaystyle\int_{a}^{b} \sqrt{\sin^2(sqrt(x)) + \dfrac{1}{4 x} \cos^2(sqrt(x))} d x\)
D
\(\displaystyle\int_{a}^{b} \sqrt{1 + \dfrac{1}{4 x} \cos^2(sqrt(x))} d x\)
E
\(\displaystyle\int_{a}^{b} \sqrt{\dfrac{1 + \cos^2(sqrt(x))}{4 x}} d x\)
Question 11 of 20   |  MCQ  · Level 3
Which of the following integrals represents the area enclosed by the smaller loop of the graph of \(r = 1 + 2 \sin \theta\)?
A
\(\dfrac{1}{2} \displaystyle\int_{7 \dfrac{\pi}{6}}^{11 \dfrac{\pi}{6}} (1 + 2 \sin \theta)^2 d \theta\)
B
\(\dfrac{1}{2} \displaystyle\int_{7 \dfrac{\pi}{6}}^{11 \dfrac{\pi}{6}} (1 + 2 \sin \theta) d \theta\)
C
\(\dfrac{1}{2} \displaystyle\int_{-\dfrac{\pi}{6}}^{7 \dfrac{\pi}{6}} (1 + 2 \sin \theta)^2 d \theta\)
D
\(\displaystyle\int_{-\dfrac{\pi}{6}}^{7 \dfrac{\pi}{6}} (1 + 2 \sin \theta)^2 d \theta\)
E
\(\displaystyle\int_{7 \dfrac{\pi}{6}}^{-\dfrac{\pi}{6}} (1 + 2 \sin \theta) d \theta\)
Question 12 of 20   |  MCQ  · Level 2
The third-degree Taylor polynomial about \(x = 0\) of \(\ln(1 - x)\) is
A
\(-x - \dfrac{x^2}{2} - \dfrac{x^3}{3}\)
B
\(1 - x + \dfrac{x^2}{2}\)
C
\(x - \dfrac{x^2}{2} + \dfrac{x^3}{3}\)
D
\(-1 + x - \dfrac{x^2}{2}\)
E
\(-x + \dfrac{x^2}{2} - \dfrac{x^3}{3}\)
Question 13 of 20   |  MCQ  · Level 4
If \(\dfrac{d y}{d x} = y \sec^2 x\) and \(y = 5\) when \(x = 0\), then \(y =\)
A
\(e^{\tan x} + 4\)
B
\(e^{\tan x} + 5\)
C
\(5 e^{\tan x}\)
D
\(\tan x + 5\)
E
\(\tan x + 5 e^x\)
Question 14 of 20   |  MCQ  · Level 2
If \(f\) is differentiable at \(x = a\), which of the following could be false?
A
\(f\) is continuous at \(x = a\).
B
\(\operatorname*{lim}\limits_{x \rightarrow a} f(x)\) exists.
C
\(\operatorname*{lim}\limits_{x \rightarrow a} \dfrac{f(x) - f(a)}{x - a}\) exists.
D
\(f'(a)\) is defined.
E
\(f''(a)\) is defined.
Question 15 of 20   |  MCQ  · Level 3
A solid has a rectangular base that lies in the first quadrant and is bounded by the x- and y-axes and the lines \(x = 2\) and \(y = 1\). The height of the solid above the point \((x, y)\) is \(1 + 3 x\). Which of the following is a Riemann sum approximation for the volume of the solid?
A
\(\displaystyle\sum_{i=1}^n \dfrac{1}{n}\left(1 + \dfrac{3 i}{n}\right)\)
B
\(2 \displaystyle\sum_{i=1}^n \dfrac{1}{n}\left(1 + \dfrac{3 i}{n}\right)\)
C
\(2 \displaystyle\sum_{i=1}^n \dfrac{i}{n}\left(1 + \dfrac{3 i}{n}\right)\)
D
\(\displaystyle\sum_{i=1}^n \dfrac{2}{n}\left(1 + \dfrac{6 i}{n}\right)\)
E
\(\displaystyle\sum_{i=1}^n \dfrac{2 i}{n}\left(1 + \dfrac{6 i}{n}\right)\)
Question 16 of 20   |  MCQ  · Level 3
[Calculator] A particle moves along the x-axis so that at any time \(t \geq 0\) its velocity is given by \(v(t) = \ln(t + 1) - 2 t + 1\). The total distance traveled by the particle from \(t = 0\) to \(t = 2\) is
A
\(0.667\)
B
\(0.704\)
C
\(1.540\)
D
\(2.667\)
E
\(2.901\)
Question 17 of 20   |  MCQ  · Level 3
[Calculator] If the function \(f\) is defined by \(f(x) = \sqrt{x^3 + 2}\) and \(g\) is an antiderivative of \(f\) such that \(g(3) = 5\), then \(g(1) =\)
A
\(-3.268\)
B
\(-1.585\)
C
\(1.732\)
D
\(6.585\)
E
\(11.585\)
Question 18 of 20   |  MCQ  · Level 4
[Calculator] Let \(g\) be the function given by \(g(x) = \displaystyle\int_{1}^{x} 100(t^2 - 3 t + 2) e^{-t^2} d t\). Which of the following statements about \(g\) must be true? I. \(g\) is increasing on \((1, 2)\). II. \(g\) is increasing on \((2, 3)\). III. \(g(3) > 0\)
A
I only
B
II only
C
III only
D
II and III only
E
I, II, and III
Question 19 of 20   |  MCQ  · Level 4
For a series \(S\), let \(S = 1 - \dfrac{1}{9} + \dfrac{1}{2} - \dfrac{1}{25} + \dfrac{1}{4} - \dfrac{1}{49} + \dfrac{1}{8} - \dfrac{1}{81} + \dfrac{1}{16} - \dfrac{1}{121} + ... + a_n + ...\), where \(a_n = \begin{cases} \dfrac{1}{2^{(n-1) slash 2}} \text{if n is odd} \\ \dfrac{-1}{(n + 1)^2} \text{if n is even} \end{cases}\). Which of the following statements are true? I. \(S\) converges because the terms of \(S\) alternate and \(\operatorname*{lim}\limits_{n \rightarrow \infty} a_n = 0\). II. \(S\) diverges because it is not true that \(|a_{n+1}| < |a_n|\) for all \(n\). III. \(S\) converges although it is not true that \(|a_{n+1}| < |a_n|\) for all \(n\).
A
None
B
I only
C
II only
D
III only
E
I and III only
Question 20 of 20   |  MCQ  · Level 4
[Calculator] Let \(g\) be the function given by \(g(t) = 100 + 20 \sin\left(\dfrac{\pi t}{2}\right) + 10 \cos\left(\dfrac{\pi t}{6}\right)\). For \(0 \leq t \leq 8\), \(g\) is decreasing most rapidly when \(t =\)
A
\(0.949\)
B
\(2.017\)
C
\(3.106\)
D
\(5.965\)
E
\(8.000\)

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Reference Sheet

Area & Circumference

Circle$A = \pi r^2$,  $C = 2\pi r$
Rectangle$A = lw$
Triangle$A = \tfrac{1}{2}bh$
Trapezoid$A = \tfrac{1}{2}(b_1+b_2)h$

Volume

Box$V = lwh$
Cylinder$V = \pi r^2 h$
Sphere$V = \tfrac{4}{3}\pi r^3$
Cone$V = \tfrac{1}{3}\pi r^2 h$
Pyramid$V = \tfrac{1}{3}lwh$

Triangles

Pythagorean Thm$a^2 + b^2 = c^2$
30-60-90sides: $1,\, \sqrt{3},\, 2$
45-45-90sides: $1,\, 1,\, \sqrt{2}$
Triangle Anglessum $= 180°$

Other Facts

Circle Degrees$360° = 2\pi \text{ rad}$
Exterior Angle= sum of non-adjacent interior angles

The number of degrees of arc in a circle is 360. The number of radians of arc in a circle is $2\pi$.

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