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What is the logarithmic function modeled by the following table? x f(x) 9 2 27 3 81 4

Acompany that manufactures and sells guitars made changes in their product range. from the start they had 20 models. then they reduced the number of models to 15. as a result, the company enjoyed a 10% increase in turnover. - how much did the stock level change? in (%)

Which number completes the inequality? 2/3 < _ < 7/9