Let . The domain is .
(a) Show that .
(b) Show that .
Practice IB Mathematics Analysis and Approaches (AA) Topic SL 5.7—the Second Derivative with authentic exam-style questions for both SL and HL students. This question bank focuses on the exact syllabus content for SL 5.7—the Second Derivative and mirrors Paper 1, 2, 3 style where relevant.
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Let . The domain is .
(a) Show that .
(b) Show that .
A function is defined by , where . The graph of has a point of inflection at .
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A function is defined by , where and . The graph of has exactly one point of inflection.
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Let , where is a constant. The function has a point of inflection at and this point lies on the -axis.
(a) Find the value of .
Let .
(b) Verify that is a point of inflection by showing that changes sign at .
(b) the nature of the stationary points of for this value of .
(a) Find the second derivative of and the -coordinate of the point of inflection.