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the safety manager at bumbler enterprises provides the graph to the right and he claims that the rate of worker injuries has been reduced by 50% over a 12 year period. does the graph support his claim? explain.

Yes the graph supports his claim. the bar on the left is twice as big as the bar on the right.

Using the formula
A = Pe^kt
Where A is the ending amount of population, P is the population k is a constant and 't' is time.

A = 0.39, t= 12 and p= 0.29
0.39= 0.29e^12k
1.34 = e^12k
ln1.34 = 12k
ln1.34/12 = k
K= 0.02

No the graph does not support his claim as k should be equal to 0.5