exam Maths Puzzle Numerical Ability

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If f(x) = 2^x, describe the transformation of the curve for g(x) = -2^x-2

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exam Other Question

If a sequence contains the terms tn=-2n^2-5n+10,what is the value of t25? I got 2385 can someone please explain? Criticize the following claims, which were cited in the New York Times of September 25, 1987 and October 21, 1987:

a new dental rinse "reduces plaque on teeth by over 300%"

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