13. Your friend does not want to become unhappy. What form of the equation would help
you identify where he would be unhappy?
a. Standard Form
b. Vertex Form
c. Factored (x-intercept) Form
14. Put it in that form to find out when your friend should stop eating cheeseburgers.
h(x) =
What would your friend's level of happiness be if he ate 10 cheeseburgers?
15. The happiness level is:
16. Explain how you figured it out
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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