GATE CS 2015 Set 3 — Question 9
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Engineering Mathematics → Analytical Aptitude → Numerical Relations & Reasoning
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Question
Choose the most appropriate equation for the function drawn as a thick line, in the plot below.
Correct answer
(B) x = -(y - y)
Solution
The plot shows a graph that lies in the 4th quadrant (positive x, negative y) and possibly the positive y-axis. The curve passes through the point as indicated by the dashed lines.Let's test the point in the options:
(A)
(B) . This matches.
(C)
(D) Only option (B) is consistent with the point . The function simplifies to for (positive y-axis) and for (line in 4th quadrant), which matches the visual representation.
(A)
(B) . This matches.
(C)
(D) Only option (B) is consistent with the point . The function simplifies to for (positive y-axis) and for (line in 4th quadrant), which matches the visual representation.
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