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AB MCQ Set 70 (Old Guide)
11 Questions
Question 1 of 11
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AB MCQ Set 70 (Old Guide)
0/11
Question 1 of 11
| MCQ
· Level 3
[Calculator] What is the average rate of change of \(f(x) = \dfrac{e^{\dfrac{1}{x}}}{x^2}\) in the interval \(-4 \leq x \leq -1\)?
A
\(0.106\)
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B
\(0.137\)
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C
\(0.319\)
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D
\(0.411\)
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E
\(1.233\)
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Question 2 of 11
| MCQ
· Level 3
Consider the integral expression \(\displaystyle\int_{0}^{\dfrac{\pi}{2}} \sin(2 x) e^{\cos(2 x)} d x\). If \(u = \cos 2 x\), then which integral below is equivalent to the given integral?
A
\(-\dfrac{1}{2} \displaystyle\int_{0}^{\pi} e^u d u\)
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B
\(-2 \displaystyle\int_{0}^{\pi} e^u d u\)
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C
\(-\dfrac{1}{2} \displaystyle\int_{-1}^1 e^u d u\)
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D
\(\dfrac{1}{2} \displaystyle\int_{-1}^1 e^u d u\)
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E
\(2 \displaystyle\int_{-1}^1 e^u d u\)
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Question 3 of 11
| MCQ
· Level 3
Let \(f(x) = \dfrac{1}{x}\) and \(k > 1\). If the area between the x-axis and the graph of \(f(x)\) in the closed interval \(k \leq x \leq k + 1\) is \(0.125\) where \(k > 1\), then what is the value of \(k\)?
A
\(0.133\)
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B
\(1.133\)
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C
\(1.334\)
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D
\(2.998\)
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E
\(7.510\)
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Question 4 of 11
| MCQ
· Level 4
[Calculator] Shampoo drips from a crack in the side of a plastic bottle at a rate modeled by \(Y(t) = \dfrac{t}{\sqrt{1 + t^{\dfrac{3}{2}}}}\), where \(Y(t)\) is in ounces per minute. If there are \(32\) ounces in the bottle at \(t = 0\), how many ounces are left in the bottle after \(5\) minutes?
A
\(26.937\) ounces
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B
\(24.355\) ounces
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C
\(7.645\) ounces
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D
\(5.063\) ounces
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E
The bottle will be empty before \(5\) minutes has elapsed.
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Question 5 of 11
| MCQ
· Level 4
[Calculator] Consider the function \(f(x) = x^3 + 2\) in the closed interval \(0 < a \leq c \leq 2\). If the value guaranteed by the Mean Value Theorem in the closed interval is \(c = 1.720\), then what is the value of \(a\)?
A
\(1.260\)
✕
B
\(1.424\)
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C
\(1.602\)
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D
\(1.680\)
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E
none of these
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Question 6 of 11
| MCQ
· Level 4
Let \(h(x) = x g(x)\), where \(g(x) = f^{-1}(x)\). Use the table of values below to find \(h'(5)\). Table: \(f(2) = 4\), \(f'(2) = -1\); \(f(3) = 5\), \(f'(3) = 2\); \(f(5) = 1\), \(f'(5) = 3\).
A
\(\dfrac{1}{2}\)
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B
\(2.5\)
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C
\(3\)
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D
\(4 \dfrac{2}{3}\)
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E
\(5.5\)
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Question 7 of 11
| MCQ
· Level 4
[Calculator] Let \(f(x) = \sin x\) and \(g(x) = p \ln x\) in the closed interval \(0 \leq x \leq \dfrac{\pi}{2}\). For what value of \(p\) will the tangents to the curves at their points of intersection be perpendicular?
A
\(-0.447\)
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B
\(0.410\)
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C
\(1.260\)
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D
\(1.303\)
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E
none of these
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Question 8 of 11
| MCQ
· Level 3
The height of a conical sand pile is always twice the radius. If sand is being added to the pile at a rate of \(30 \pi\) cm\(^3\)/min, how fast is the height of the pile increasing when the circumference of the base of the sand pile is \(120 \pi\) cm? \(\left(V_{\text{cone}} = \dfrac{\pi}{3} r^2 h\right)\)
A
\(\dfrac{1}{120 \pi}\) cm/min
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B
\(\dfrac{1}{120}\) cm/min
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C
\(\dfrac{2}{15}\) cm/min
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D
\(\dfrac{1}{4}\) cm/min
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E
none of these
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Question 9 of 11
| MCQ
· Level 3
[Calculator] The number of home fires each day in a certain city increases as the temperature drops. The rate of home fires is modeled by \(F(t) = 4 \cos\left(\dfrac{t}{58} - 2\right) + 6\), for \(0 \leq t \leq 365\) days, where midnight on January 1st corresponds to \(t = 0\). Which of the following is closest to the approximate number of fires in the first quarter of the year?
A
\(910\)
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B
\(660\)
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C
\(540\)
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D
\(330\)
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E
\(240\)
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Question 10 of 11
| MCQ
· Level 3
If \(f(x)\) and \(g(x)\) are differentiable functions with values \(f(1)=3\), \(g(1)=4\), \(f'(1) = \dfrac{2}{3}\), \(g'(1) = -\dfrac{5}{2}\); \(f(2)=4\), \(g(2)=2\), \(f'(2) = \dfrac{4}{3}\), \(g'(2) = -\dfrac{3}{2}\); \(f(4)=8\), \(g(4)=1\), \(f'(4) = \dfrac{8}{3}\), \(g'(4) = \dfrac{1}{2}\), and \(k(x) = f(g(x^2))\), what is \(k'(2)\)?
A
\(\dfrac{1}{3}\)
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B
\(\dfrac{2}{3}\)
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C
\(\dfrac{4}{3}\)
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D
\(\dfrac{16}{3}\)
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E
none of these
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Question 11 of 11
| MCQ
· Level 4
[Calculator] The price of a newly issued stock varies sinusoidally during the first \(10\) days after its initial offering and is modeled by \(P(t) = \log(2 t + 1) \sin t + 20\), where \(t\) is in days. To the nearest cent, what is the price of the stock when the price of the stock is decreasing most rapidly in the interval \(0 \leq t \leq 10\)?
A
\(\$7.98\)
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B
\(\$9.49\)
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C
\(\$19.91\)
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D
\(\$20.12\)
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E
\(\$21.22\)
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Graphing Calculator
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 $2\pi$.