Jake is doing an experiment with bacteria in a petri dish and an antibiotic that may kill the bacteria. The rate at which Jake
expects the antibiotic to kill the bacteria can be modeled by
the equation f(x) = 5,000(6), where x represents hours and
Rx) represents the number of remaining bacteria. As the time
approaches 10 hours, what value is f(x) approaching? (A.9D, RC
5, RS)

F) 0

G) 1

H) 5000

j) 2/9

Farmers know that driving heavy equipment on wet soil compresses the soil and injures future crops. here are data on the "penetrability" of the same type of soil at two levels of compression. penetrability is a measure of how much resistance plant roots will meet when they try to grow through the soil. compressed soil 2.85 2.66 3 2.82 2.76 2.81 2.78 3.08 2.94 2.86 3.08 2.82 2.78 2.98 3.00 2.78 2.96 2.90 3.18 3.16 intermediate soil 3.17 3.37 3.1 3.40 3.38 3.14 3.18 3.26 2.96 3.02 3.54 3.36 3.18 3.12 3.86 2.92 3.46 3.44 3.62 4.26 use the data, omitting the high outlier, to give a 95% confidence interval for the decrease in penetrability of compressed soil relative to intermediate soil. compute degrees of freedom using the conservative method. interval: to