Each week tim wants to increase the number of sit ups he does by to set up’s the first week he does 15 sit ups each day. write an explicit function in the form f(n) =mn+b to represent the number of sit ups f(n) tim does daily in week n.

Lindsay used two points, (x,y; ) and (+2.82), to find the equation of the line, y = mx + b, that passes through the points. y2-y, first, she used the definition of slope and determined that the value of mis x, - . given this information, which expression must represent the value of b?

Do some research and find a city that has experienced population growth. determine its population on january 1st of a certain year. write an exponential function to represent the city’s population, y, based on the number of years that pass, x after a period of exponential growth. describe the variables and numbers that you used in your equation.

What is the point slope form of a line with slope -5 that contains point (2,-1)