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21 Aug 2018
2 marks A25. If f has a continuous derivative on the interval (-5, 10), f'(-5) = -1 and f'(10) = 1, which of the following statements is necessarily true? A: f is increasing on (-5, 10] B: f(c) = 0 for some c in (-5, 10) C: f is concave up on the interval [-5, 10] D: The graph of f has a vertical asymptote between -5 and 10 E: The graph of f has a horizontal tangent between -5 and 10
2 marks A25. If f has a continuous derivative on the interval (-5, 10), f'(-5) = -1 and f'(10) = 1, which of the following statements is necessarily true? A: f is increasing on (-5, 10] B: f(c) = 0 for some c in (-5, 10) C: f is concave up on the interval [-5, 10] D: The graph of f has a vertical asymptote between -5 and 10 E: The graph of f has a horizontal tangent between -5 and 10
Nestor RutherfordLv2
21 Aug 2018
