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Question

The function $f(x)$ is plotted against $x$ as shown. Extrapolate and find the value of the function at $x = -1$.

The correct answer is
0.01

To solve this problem, we need to extrapolate the given function based on the graph shown. The task is to find the value of the function \( f(x) \) at \( x = -1 \).

Let's analyze the graph:

  1. The graph plots the function \( f(x) \) against \( x \).
  2. From the visual depiction, it looks like a linear function on a logarithmic scale, where both axes are logs. This suggests an exponential relationship.
  3. Observing the trend, the function seems to be growing linearly in this logarithmic plot, indicating an exponential increase in the arithmetic scale.

To find \( f(x) \) at \( x = -1 \), we can extend the linear trend back to this value. Based on options and the pattern observed:

  • If \( f(x) \) approximately reaches a small positive value near zero, we estimate it would reach around 0.01 when \( x = -1 \) in the arithmetic scale.

Thus, the correct extrapolated value for \( f(x) \) at \( x = -1 \) is 0.01.

The correct answer is 0.01.

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Important Questions from Data Interpetation (Notes)

  1. Contours in the bivariate (weight, height) graph connect regions of approximately equal popula-tions. Which of the following interpretations is correct?

  2. Which of the following inferences can be drawn from the above graph?

  3. Number of times a research paper is viewed and cited is shown in the plot. In which month was the percentage increase in citation more than the double of the percentage increase in view? 

  4. There are two examinations, A and B in a subject which are evaluated out of 30 and 70 marks, respectively. In order to pass the course the student has to get at least 40 % in total and at least 40 % in B. The following are the marks of the students $S_1$ to $S_4$.

    StudentsAB
    $S_1$1228
    $S_2$1029
    $S_3$1627
    $S_4$0529


    The only student/s to have passed is/are
  5. The graph depicts the petrol prices (in Rs. per litre) for the months April, May and June. 

    Pick the INCORRECT statement.

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