If \(f(x) = e^{\dfrac{1}{x}}\), then \(f'(1)\) equals:
A
\(-e\)
✕
B
\(-1\)
✕
C
\(0\)
✕
D
\(1\)
✕
E
\(e\)
✕
Question 5 of 18
| MCQ
· Level 2
The position of a particle \(P\) on a line is given by the equation \(s(t) = t^3 + t^2 - t - 3\). On which interval is the particle moving to the right?
A
\(t > -1\)
✕
B
\(t < -\dfrac{1}{3}\) or \(t > 1\)
✕
C
\(t < -1\) or \(t > \dfrac{1}{3}\)
✕
D
\(-1 < t < \dfrac{1}{3}\)
✕
E
\(t < \dfrac{1}{3}\)
✕
Question 6 of 18
| MCQ
· Level 2
Define \(F(x) = \displaystyle\int_{x}^{1} \ln t d t\). Find \(F'(2)\).
A
\(-\ln 2\)
✕
B
\(e^2\)
✕
C
\(\ln 2\)
✕
D
\(e\)
✕
E
\(1\)
✕
Question 7 of 18
| MCQ
· Level 2
Evaluate \(\int \dfrac{x}{\sqrt{9 - x^2}} d x\).
A
\(-\dfrac{1}{2} \ln \sqrt{9 - x^2} + C\)
✕
B
\(\sin^{-1}\left(\dfrac{x}{3}\right) + C\)
✕
C
\(-\sqrt{9 - x^2} + C\)
✕
D
\(-\dfrac{1}{4} \sqrt{9 - x^2} + C\)
✕
E
\(2 \sqrt{9 - x^2} + C\)
✕
Question 8 of 18
| MCQ
· Level 2
If \(f(x) = \log_2(3 x)\), then \(f'(x)\) equals
A
\(\dfrac{1}{3 x}\)
✕
B
\(\ln(3 x)\)
✕
C
\(\dfrac{1}{x \ln 2}\)
✕
D
\(e^{3 x}\)
✕
E
\(2 e^{3 x}\)
✕
Question 9 of 18
| MCQ
· Level 3
Let \(f(t) = \dfrac{1}{t^2} - 4\) and \(g(t) = \cos t\). Find the derivative of the composition \((f compose g)(t)\).
A
\(2 \sec^2 t \tan t\)
✕
B
\(\tan t\)
✕
C
\(2 \sec t \tan t\)
✕
D
\(\dfrac{2}{t^3 \sin t}\)
✕
E
\(-\dfrac{2}{\cos^3 t}\)
✕
Question 10 of 18
| MCQ
· Level 2
[Calc] Given the initial value problem \(\dfrac{d y}{d x} = k y\), with conditions \(y(0) = 10\) and \(y(2) = 18\). The constant of proportionality \(k\) equals:
A
\(.153\)
✕
B
\(.212\)
✕
C
\(.293\)
✕
D
\(.314\)
✕
E
\(.400\)
✕
Question 11 of 18
| MCQ
· Level 2
Let \(f\) be a twice-differentiable function (a function whose first and second derivatives both exist). \(f''(c) = 0\) could mean that
A
\(f\) has a local maximum at \(x = c\)
✕
B
\(f\) has a local minimum at \(x = c\)
✕
C
\(f\) has a point of inflection at \(x = c\)
✕
D
None of the above
✕
E
Any of the above
✕
Question 12 of 18
| MCQ
· Level 3
Find the slope of the tangent to the curve \(x^2 y + 3 x^2 y^3 = 4\) at the point \((1, -1)\).
A
\(0.4\)
✕
B
\(0.8\)
✕
C
\(1.0\)
✕
D
\(1.6\)
✕
E
\(2.0\)
✕
Question 13 of 18
| MCQ
· Level 1
Evaluate the limit \(\operatorname*{lim}\limits_{x \rightarrow -\infty} \dfrac{4 x^2 - 8 x}{8 x^2 + 6 x + 5}\).
A
\(-\infty\)
✕
B
\(0.5\)
✕
C
\(1.5\)
✕
D
\(8\)
✕
E
\(\infty\)
✕
Question 14 of 18
| MCQ
· Level 2
Use the chart below for questions 14 and 15 about the graph of a continuous function \(f\) whose first and second derivatives are also continuous. The only critical points of \(f\) are at \(x = 0\) and \(x = 2\). Chart values: at \(x = -1, 0, 1, 2, 3, 4\), \(f'\) has signs \(+, 0, +, 0, -, -\) and \(f''\) has signs \(+, 0, -, -, -, -\). The function \(f\) has a local maximum at:
A
\(0\)
✕
B
\(2\)
✕
C
\(3\)
✕
D
\(4\)
✕
E
Both 2 and 4
✕
Question 15 of 18
| MCQ
· Level 2
Use the chart from question 14: \(f'\) signs at \(x = -1, 0, 1, 2, 3, 4\) are \(+, 0, +, 0, -, -\). The function \(f\) is decreasing on which interval(s)?
A
\((-1, 1]\)
✕
B
\([1, 4]\)
✕
C
\((0, 3]\)
✕
D
\((2, 4)\)
✕
E
None of these intervals
✕
Question 16 of 18
| MCQ
· Level 3
Evaluate \(\int x^3 e^x d x\).
A
\(e^x (3 x^2 + x^3) + C\)
✕
B
\(3 x^2 e^x + C\)
✕
C
\(e^x (x^3 + 3 x^2 + 6 x + 6) + C\)
✕
D
\(e^x (x^3 - 3 x^2 + 6 x - 6) + C\)
✕
E
\(x^3 e^x + C\)
✕
Question 17 of 18
| MCQ
· Level 3
[Calc] A rectangle is to be inscribed under one arch of the sine curve \(y = \sin x\) on \([0, \pi]\) with its base on the x-axis. What is the area of the largest rectangle that can be formed?
A
\(3.14\)
✕
B
\(2.21\)
✕
C
\(1.12\)
✕
D
\(0.94\)
✕
E
\(0.021\)
✕
Question 18 of 18
| MCQ
· Level 3
[Calc] Let \(L(x)\) be the linearization of the function \(f(x) = \sqrt{1 + x}\) at \(x = 0\). The difference between \(L\) and \(f\) at \(x = 0.2\) would be:
A
\(0.250\)
✕
B
\(1.095\)
✕
C
\(1.000\)
✕
D
\(0.005\)
✕
E
\(0.002\)
✕
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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 $2\pi$.