A hot air balloon is rising. The expression 120 + 2t represents the height of the hot air balloon in meters after t seconds. Use the
expression to find the height of the balloon after 15 s.
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David estimated he had about 20 fish in his pond. a year later, there were about 1.5 times as many fish. the year after that, the number of fish increased by a factor of 1.5 again. the number of fish is modeled by f(x)=20(1.5)^x. create a question you could ask that could be answered only by graphing or using a logarithm.