The following data represent the bacteria population in a laboratory experiment. The researchers suspect that the population is growing exponentially. Find the least-squares regression line of the transformed data by determining the logarithm of the y-values so that Y = log y.

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= 3.291 + 0.435x
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= -50,222.143 + 50,650.057x
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= -7.537 + 2.301x
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= 3.458 + 1.151x