Question 11 of 43
| Integration and Accumulation of Change
· Level 2
\(f, g\) continuous, \(f \geq 0\). Which must be true? I. \(\int fg = (\int f)(\int g)\) II. \(\int (f+g) = \int f + \int g\) III. \(\int \sqrt{f} = \sqrt{\int f}\)
A
I only
✕
B
II only
✕
C
III only
✕
D
II and III only
✕
E
I, II, and III
✕
Question 12 of 43
| MCQ
· Level 1
Period of \(2 \cos(3x)\)
A
\(2 \dfrac{\pi}{3}\)
✕
B
\(2 \pi\)
✕
C
\(6 \pi\)
✕
D
\(2\)
✕
E
\(3\)
✕
Question 13 of 43
| Integration and Accumulation of Change
· Level 2
\(\int \dfrac{3 x^2}{\sqrt{x^3 + 1}} d x =\)
A
\(2 \sqrt{x^3 + 1} + C\)
✕
B
\(\dfrac{3}{2} \sqrt{x^3 + 1} + C\)
✕
C
\(\sqrt{x^3 + 1} + C\)
✕
D
\(\ln \sqrt{x^3 + 1} + C\)
✕
E
\(\ln(x^3 + 1) + C\)
✕
Question 14 of 43
| Analytical Applications of Differentiation
· Level 3
\(f(x) = (x-2)(x-3)^2\) has rel max at \(x =\)
A
\(-3\)
✕
B
\(-\dfrac{7}{3}\)
✕
C
\(-\dfrac{5}{2}\)
✕
D
\(\dfrac{7}{3}\)
✕
E
\(\dfrac{5}{2}\)
✕
Question 15 of 43
| Differentiation: Composite, Implicit, and Inverse Functions
· Level 2
Slope of normal to \(y = 2 \ln(\sec x)\) at \(x = \dfrac{\pi}{4}\)
A
\(-2\)
✕
B
\(-\dfrac{1}{2}\)
✕
C
\(\dfrac{1}{2}\)
✕
D
\(2\)
✕
E
nonexistent
✕
Question 16 of 43
| Integration and Accumulation of Change
· Level 2
\(\int (x^2 + 1)^2 d x =\)
A
\(\dfrac{(x^2+1)^3}{3} + C\)
✕
B
\(\dfrac{(x^2+1)^3}{6 x} + C\)
✕
C
\((x^3/3 + x)^2 + C\)
✕
D
\(\dfrac{2 x (x^2+1)^3}{3} + C\)
✕
E
\(\dfrac{x^5}{5} + \dfrac{2 x^3}{3} + x + C\)
✕
Question 17 of 43
| Analytical Applications of Differentiation
· Level 3
MVT for \(f(x) = \sin\left(\dfrac{x}{2}\right)\) on \(\left(\dfrac{\pi}{2}, \dfrac{3\pi}{2}\right)\)
A
\(2 \dfrac{\pi}{3}\)
✕
B
\(3 \dfrac{\pi}{4}\)
✕
C
\(5 \dfrac{\pi}{6}\)
✕
D
\(\pi\)
✕
E
\(3 \dfrac{\pi}{2}\)
✕
Question 18 of 43
| Differentiation: Definition and Fundamental Properties
· Level 2
\(f(x) = x^3\) for \(x \leq 0\), \(x\) for \(x > 0\). Which is true?
A
\(f\) odd
✕
B
\(f\) discontinuous at 0
✕
C
\(f\) has rel max
✕
D
\(f'(0) = 0\)
✕
E
\(f'(x) > 0\) for \(x \neq 0\)
✕
Question 19 of 43
| Applications of Integration
· Level 3
Region in Q1 enclosed by \(y = (x+1)^{\dfrac{1}{3}}\), \(x = 7\), axes. Revolved about y-axis.
A
\(\pi \displaystyle\int_{0}^{7} (x+1)^{\dfrac{2}{3}} d x\)
✕
B
\(2 \pi \displaystyle\int_{0}^{7} x (x+1)^{\dfrac{1}{3}} d x\)
✕
C
\(\pi \displaystyle\int_{0}^{2} (x+1)^{\dfrac{2}{3}} d x\)
✕
D
\(2 \pi \displaystyle\int_{0}^{2} x (x+1)^{\dfrac{1}{3}} d x\)
✕
E
\(\pi \displaystyle\int_{0}^{7} (y^3 - 1)^2 d y\)
✕
Question 20 of 43
| Analytical Applications of Differentiation
· Level 2
Inflection point of \(y = 1/x^2 - 1/x^3\)
A
\(0\)
✕
B
\(1\)
✕
C
\(2\)
✕
D
\(3\)
✕
E
no value
✕
Question 21 of 43
| Integration and Accumulation of Change
· Level 3
Antiderivative of \(1/(x^2 - 2 x + 2)\)
A
\(-(x^2 - 2x + 2)^{-2}\)
✕
B
\(\ln(x^2 - 2x + 2)\)
✕
C
\(\ln|\dfrac{x-2}{x+1}|\)
✕
D
\(arcsec(x-1)\)
✕
E
\(\arctan(x-1)\)
✕
Question 22 of 43
| Analytical Applications of Differentiation
· Level 2
Critical points of \(f(x) = (x+2)^5 (x-3)^4\)
A
One
✕
B
Two
✕
C
Three
✕
D
Five
✕
E
Nine
✕
Question 23 of 43
| Differentiation: Composite, Implicit, and Inverse Functions
· Level 3
Question 33 of 43
| Contextual Applications of Differentiation
· Level 3
25-ft ladder, top sliding down at 3 ft/min. When top is 7 ft up, \(\dfrac{d x}{d t}\)?
A
\(-\dfrac{7}{8}\)
✕
B
\(-\dfrac{7}{24}\)
✕
C
\(\dfrac{7}{24}\)
✕
D
\(\dfrac{7}{8}\)
✕
E
\(\dfrac{21}{25}\)
✕
Question 34 of 43
| Limits and Continuity
· Level 2
\(y = \dfrac{a x + b}{x + c}\) has horizontal asymptote \(y = 2\) and vertical asymptote \(x = -3\). Find \(a + c\).
A
\(-5\)
✕
B
\(-1\)
✕
C
\(0\)
✕
D
\(1\)
✕
E
\(5\)
✕
Question 35 of 43
| Integration and Accumulation of Change
· Level 3
[Calc] \(\displaystyle\int_{0}^{2} e^{x^2} d x\) approx by 2 inscribed rectangles vs trapezoidal \(n=2\). Difference?
A
\(53.60\)
✕
B
\(30.51\)
✕
C
\(27.80\)
✕
D
\(26.80\)
✕
E
\(12.78\)
✕
Question 36 of 43
| Differentiation: Definition and Fundamental Properties
· Level 2
\(f'(a)\) definition: I. \(\operatorname*{lim}\limits_{h\rightarrow 0} (f(a+h)-f(a))/h\) II. \(\operatorname*{lim}\limits_{x\rightarrow a} \dfrac{f(x)-f(a)}{x-a}\) III. \(\operatorname*{lim}\limits_{x\rightarrow a} (f(x+h)-f(x))/h\)
A
I only
✕
B
II only
✕
C
I and II only
✕
D
I and III only
✕
E
I, II, and III
✕
Question 37 of 43
| Integration and Accumulation of Change
· Level 3
\(f''(x) = 2 x - \cos x\), find \(f\)
A
\(x^3/3 + \cos x - x + 1\)
✕
B
\(x^3/3 - \cos x - x + 1\)
✕
C
\(x^3 + \cos x - x + 1\)
✕
D
\(x^2 - \sin x + 1\)
✕
E
\(x^2 + \sin x + 1\)
✕
Question 38 of 43
| Contextual Applications of Differentiation
· Level 3
Radius increasing, area rate equals circumference rate. Radius?
A
\(\dfrac{1}{\pi}\)
✕
B
\(\dfrac{1}{2}\)
✕
C
\(\dfrac{2}{\pi}\)
✕
D
\(1\)
✕
E
\(2\)
✕
Question 39 of 43
| Integration and Accumulation of Change
· Level 2
\(\dfrac{d}{d x} \displaystyle\int_{0}^{x} \cos(2 \pi u) d u =\)
A
\(0\)
✕
B
\((1/(2 \pi)) \sin x\)
✕
C
\((1/(2 \pi)) \cos(2 \pi x)\)
✕
D
\(\cos(2 \pi x)\)
✕
E
\(2 \pi \cos(2 \pi x)\)
✕
Question 40 of 43
| Differential Equations
· Level 3
[Calc] Puppy 2 lb at birth, 3.5 lb at 2 months. Exponential growth. Weight at 3 months?
A
\(4.2\)
✕
B
\(4.6\)
✕
C
\(4.8\)
✕
D
\(5.6\)
✕
E
\(6.5\)
✕
Question 41 of 43
| Integration and Accumulation of Change
· Level 2
\(\int x f(x) d x =\)
A
\(x f(x) - \int x f'(x) d x\)
✕
B
\((x^2/2) f(x) - \int (x^2/2) f'(x) d x\)
✕
C
\(x f(x) - (x^2/2) f(x) + C\)
✕
D
\(x f(x) - \int f'(x) d x\)
✕
E
\((x^2/2) \int f(x) d x\)
✕
Question 42 of 43
| Analytical Applications of Differentiation
· Level 2
[Calc] Min of \(f(x) = x \ln x\) on \((0, \infty)\)
A
\(-e\)
✕
B
\(-1\)
✕
C
\(-\dfrac{1}{e}\)
✕
D
\(0\)
✕
E
no min
✕
Question 43 of 43
| Contextual Applications of Differentiation
· Level 3
[Calc] Newton's method on \(x^3 + x - 1 = 0\), \(x_1 = 1\), find \(x_3\)
A
\(0.682\)
✕
B
\(0.686\)
✕
C
\(0.694\)
✕
D
\(0.750\)
✕
E
\(1.637\)
✕
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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 $2\pi$.
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