Evaluate the expression without a calculator:
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Practice IB Mathematics Analysis and Approaches (AA) Topic SL 1.5—intro to Logs with authentic exam-style questions for both SL and HL students. This question bank focuses on the exact syllabus content for SL 1.5—intro to Logs and mirrors Paper 1, 2, 3 style where relevant.
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Evaluate the expression without a calculator:
An investment grows by each year, with interest compounded annually. Its doubling time is years.
Investors estimate the doubling time by years for a fixed constant , the familiar choice being .
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Solve the following equations.
(a)
(b)
Let , and be real numbers greater than .
For each integer , define
(a) Show that .
(b) Hence show that .
(c) Find every integer with for which is an integer.
(a) .
(b) .