The Following Table Shows the U

question 97

Essay

The following table shows the U.S. population for the years 1920-2000.
a. Determine whether the equation of best fit for this data will be quadratic or exponential, and find the equation of the best fit. Round coefficients to 4 decimal places.
b. What is the y-intercept and what does it represent?
c. Would an x-intercept make sense in this case? If so, find it. If not, explain why not.
d. At approximately what rate is the U.S. population growing?
e. Use the equation to estimate the U.S. population in 2013. Round to the nearest tenth of a million.
f. Using the equation, when will the U.S. population break 400 million?

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Definitions:

Relational Aggression

Nonphysical acts, such as insults or social rejection, aimed at harming the social connection between the victim and other people.

Hitting

The act of physically striking someone or something, often as a form of punishment or in an aggressive manner.

Shoving

The act of pushing someone or something roughly, often as a form of aggression or to move them out of the way.

Play

Engage in activity for enjoyment and recreation rather than a serious or practical purpose.