1on : of 5 points)
The table shows the minimum wage rates for the United States during different years.
1.
Year
1978
1979
1980
1990
1991
1996
1997 2007
Minimum hourly wage ($) 2.65
2.90
3.35
3.80
4.25
4.75
5.15
5.85
(a) Write the least squares regression equation that models the data. Let x = time
1900 and let y = minimum hourly wage.
(b) Use the equation to estimate the minimum hourly wage of a U. S. worker in 20
work.

Which graph corresponds to the function f(x) = x2 + 4x – 1?

Alonso walked with his friend andy one day, and wanted to compare their speeds. alonso walked 3 miles in one hour, and andy walked 2 miles in 2 hours. complete the table to graph the relationship for each person.

The position of a moving particle is given by the position function: f(t)=-9t-t^2-0.2t^3+0.1t^4 a. at what time does the particle reverse direction? b. when is the displacement positive? (round one decimal place and answer in interval notation) c. when is the displacement negative? (round one decimal place and answer in interval notation) d. when is the particle’s acceleration positive? (round one decimal place and answer in interval notation) e. when is the particle’s acceleration negative? (round one decimal place and answer in interval notation)