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Functions and Coordinate Geometry

Functions and Coordinate Geometry -

(1) Find an equation of the line having the given slope and containing the given point
m= , (6,-8)
(2) Write an equation of the line containing the given point and parallel to the given line. Express your answer in the form y=mx+b
(7,8); x+7y=5
(6) The table lists data regarding the average salaries of several professional athletes in the years 1991 and 2001.
a) use the data points to find a linear function that's fits the data
b) use the function to predict the average salary in 2005 and 2010
(7) In 1920, the record for a certain race was45.6 sec. In 1970, it was 45.1 sec. let R(t)= the record in the race and t= the number of years since 1920.

Questions are in the attached file.


Solution Summary

All the 7 questions solved step-by-step.