Food poisoning occurs when bacteria like salmonella and listeria grow on food. these microorganisms grow at an exponential rate. when an initial population of 100 bacteria are left at 98.6f, they will grow at a rate of y=100(8)^h. which graph could be used to calculate the number of bacteria after a certain number of hours?

The third graph is correct

Step-by-step explanation:

The exponential growth function is given as;

y=100(8)^h

To determine which graph represents the above function, we can evaluate the value of y when h = 0, 1, and 2 .

When h = 0, y=100(8)^0 = 100

when h = 1, y=100(8)^1 = 800

when h = 2, y=100(8)^2 = 6400

Therefore, the graph should be exponential and have these set of points;

(0, 100) , (1, 800), (2, 6400)

The third graph meets the criteria

Step-by-step explanation:

Note that y=100(8)^h = 100 at time h = 0.  The correct graph is the one that shows y = 100 at h = 0.  That's the second graph.  The graph through (0, 1000) is incorrect.

5 minutes

Step-by-step explanation:

We know that 1760 yards are in a mile. We can convert the given info into a proportion. 440/75 = 1760/x, where x is the number of seconds it takes to run a mile. Cross-multiply to get 440x = 75*1760. Divide both sides by 440 to get x = 75*4 = 300 seconds. The problem asks for how many minutes so you have to convert 300 seconds to minutes. To do this, we have to divide 300 by 60 to get 5 minutes.

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