\( \DeclareMathOperator{cosec}{cosec} \)

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Here are some exam-style questions on this statement:

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*Sketch the graph of \(y=0.5^x +1\) for \(0 \le x \le 5\) labeling the y intercept.*" ... more - "
*While studying a new disease, scientists found that the number of toxic cells in the bloodstream increased over time, according to the model \(D(t)=12×(1.16)^t , t \ge 0\) where \(D\) is the number of the toxic cells in the bloodstream per litre and \(t\) is the time in hours.*" ... more - "
*Percy Cod and Fran Finklestein are both researchers working at different universities. They are each studying a different colony of bacteria which coincidentally start increasing in size at the same time.*" ... more - "
*The diagrams above show a growing fractal of triangles. The sides of the largest equilateral triangle in each diagram are of length 1 metre.*" ... more - "
*The quantity of heat required to heat an amount of water is given by the formula:*" ... more - "
*Doctor Octothorpe investigated the decreasing population of a colony of ants in a remote province of China. His investigation took place in 1958.*" ... more - "
*In a remote lake it was noticed by conservationists that a disease was rapidly spreading amongst two species of fish, R and S, which is reducing their numbers. The conservationists calculated that the numbers of each type of fish can be modelled by the functions:*" ... more

Click on a topic below for suggested lesson Starters, resources and activities from Transum.

This video on Compound Interest and Depreciation is from Revision Village and is aimed at students taking the IB Maths Standard level course

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