Figure 1.8 suggests that

Question

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Figure 1.8 indicates that the relationship between study time and grade point average is initially linear but becomes nonlinear as more time is devoted to studying. This suggests that the law of diminishing marginal returns applies, and that the opportunity cost of increasing study time in terms of lower grades increases as study time increases. This is consistent with economic principles and empirical evidence on the relationship between effort and performance in academic settings. Therefore, A, B, and D are incorrect choices.

Figure 1.8 Suggests That