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प्रश्न
If the graph of a differentiable function y = f (x) meets the lines y = – 1 and y = 1, then the graph ____________.
पर्याय
meets the line y = 0 at least twice
meets the line y = 0 at least once
meets the line y = 0 at least thrice
does not meet the line y = 0
MCQ
रिकाम्या जागा भरा
उत्तर
If the graph of a differentiable function y = f (x) meets the lines y = – 1 and y = 1, then the graph meets the line y = 0 at least once.
Explanation:
Because the graph cuts the lines y = -1 and y = 1, it must cut the line y = 0 at least once because the graph is in this case a continuous curve.
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