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Chap 6 Review
\[ \newcommand{\dnorm}{\text{dnorm}} \newcommand{\pnorm}{\text{pnorm}} \newcommand{\recip}{\text{recip}} \]
Exercise 1 What is the value of \(f(4)\) when \(f(x) \equiv 2 x + 1\ ?\)
Exercise 2 What is the change in the value of \(f()\) when the input goes from 2 to 4?
Assume \(f(x) \equiv 2 x + 1\)
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Exercise 3 What is the rate of change in the value of \(f()\) when the input goes from 2 to 4?
Assume \(f(x) \equiv 2 x + 1\)
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Exercise 4 What is the change in the value of \(f()\) when the input goes from 4 to 2?
Assume \(f(x) \equiv 2 x + 1\)
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Exercise 5 What is the rate of change in the value of \(f()\) when the input goes from 4 to 2?
Assume \(f(x) \equiv 2 x + 1\)
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Exercise 6 What is the rate of change of the function \(f(x) \equiv 3 x - 2\) when the input is 4?
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Exercise 7 What is the change in value of the function \(f(x) \equiv 3 x - 2\) as the input goes from 3 to 3.1?
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Exercise 8 What is the rate of change in value of the function \[f(x) \equiv 3 x - 2\] as the input goes from 3 to 3.1?
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Exercise 9 What is the period of the \(\sin()\) function?
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Exercise 10 Which of these words is most appropriate to describe the function \(g(x) \equiv 2 - 3 x + 4x^3 ?\)
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Exercise 11 Which of the functions in Figure 1 is concave up over the domain shown covered by the x-axis?
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Exercise 12 Which of these functions in Figure 2 has a vertical asymptote?
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Exercise 13 Which of the functions in Figure 3 has a vertical asymptote?
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Exercise 14 For the function in Figure 4, where is the horizontal asymptote located?
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Exercise 15 Does the function in Figure 5 have an inflection point?
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Exercise 16 Does the function in Figure 6 have an inflection point?
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Exercise 17 Which of these is a correct description of a horizontal asymptote in the function in Figure 7?
At 2 as \(x \rightarrow \pm\infty\)
At 2 as \(x \rightarrow -\infty\)
At 6 as \(x \rightarrow -\infty\)
There is no horizontal asymptote.
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Exercise 18 Which of these is a correct description of a horizontal asymptote in the function in Figure 7?
At 2 as \(x \rightarrow \pm\infty\)
At 2 as \(x \rightarrow \infty\)
At 6 as \(x \rightarrow \infty\)
There is no horizontal asymptote.
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Exercise 19 Which of these is the max of the function in Figure 1?
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Exercise 20 Which of these is an argmin of the function in Figure 9?
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Exercise 21 Which of these is an argmax of the function in Figure 9?
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Exercise 22 According to Figure 10, which of these values is the argmax of the function?
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Exercise 23 According to Figure 10, which of these values is the maximum of the function?
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Exercise 24 For the function in Figure 10, which of these properties does not apply?
continuous
monotonic
concave-down
no inflection point
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Exercise 25 For the function in Figure 11, which of these properties does not apply?
discontinuous
monotonic
concave-down
no inflection point
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Exercise 26 Whatβs the period of the function graphed in Figure 12?
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Exercise 27 Which of these pattern-book functions has a discontinuity?
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Exercise 38 For each of the following, plot out the function over an appropriate graphics domain to determine whether the statement is true or false.
Exercise 28 The function \(f(t)\equiv \sin(t)\) has a local max of \(1\) somewhere on the domain \(-\infty < t < \infty\).
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Exercise 29 The function \(g(x)\equiv e^x\) has an inflection point on the domain \(-\infty < x < \infty\).
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Exercise 30 The function \(g(x)\equiv e^x\) is monotonic on the domain \(-\infty < x < \infty\).
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Exercise 31 The function \(g(x)\equiv e^x\) has a vertical asymptote.
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Exercise 32 The function \(h(x)\equiv \ln(x)\) has a vertical asymptote.
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Exercise 33 The function \(h(x)\equiv \ln(x)\) has a horizontal asymptote.
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Exercise 34 The function \(\text{inv}(val)\equiv 1/val\) has a vertical asymptote.
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Exercise 35 The function \(\text{inv}(val)\equiv 1/val\) has a horizontal asymptote.
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Exercise 36 The function \(f(x)\equiv 1/x\) is monotonically decreasing (i.e., monotonic AND decreasing) on the domain \[0<x<\infty\]. (You need only check in the interval \(0<x\leq 100.\))
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Exercise 37 The function \(\text{inv}(val)\equiv 1/val\) is continuous.
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Exercise 39
- What is the maximum number of horizontal asymptotes that a function can have?
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- True or false. A function can cross its horizontal asymptote.
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- What is the maximum number of vertical asymptotes that a function can have?
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- True or false: A function can cross its vertical asymptote.
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