5.
In 1930, the record for the 400-m run was 46.8 sec. In 1970, it was 43.8 sec. Let R(t) = the record in the 400-m run and t = the number of years since 1930.
a. Find a linear function that fits the data. ( b. Use the function of part (a) to estimate the record
i. in 2003 ii. in 2006.
c. When will the record be 40 sec?
In 1982, 1250 students attended Westside College. By 1997, the college had 1425 students. Let c(t) represent the number of students at the college t years after 1982.
a. Find the linear function that fits the data. ( )
b. Use the function from part (a) to predict the num

Question

5.
In 1930, the record for the 400-m run was 46.8 sec. In 1970, it was 43.8 sec. Let R(t) = the record in the 400-m run and t = the number of years since 1930.
a.	Find a linear function that fits the data. ( b.	Use the function of part (a) to estimate the record
i.	in 2003 ii.	in 2006.
c.	When will the record be 40 sec?
In 1982, 1250 students attended Westside College. By 1997, the college had 1425 students. Let c(t) represent the number of students at the college t years after 1982.
a.	Find the linear function that fits the data. (	)
b.	Use the function from part (a) to predict the num