4.2 Homework Day 2

Last updated about 2 years ago
5 questions
Note from the author:
Writing equations in point-slope form
1

Write a linear function f with the given values.

1

Write a linear function f with the given values.

1

Write a linear equation that represents y as a function of

2
MODELING REAL LIFE
You want to order posters to advertise your band. A company charges $109.95 for the first 100 posters and $65 for each additional 100 posters.
Let y = the total cost
Let x = the number of posters (in hundreds)

a. Write an equation that represents the total cost
(in dollars) of the posters as a function of the number (in hundreds) of posters ordered in slope-intercept form
_______

b. Find the total cost of 1000 posters.
_______
2
CHOOSE A METHOD
The Tampa Bay Buccaneers begin a play on their 5-yard line. They advance 10 yards each of the next 3 plays.

a. Write an equation in point-slope form that represents the yards from their goal line as a function of the number of plays.
_______

b. How many plays does it take the team to reach the 50-yard line at this rate?
_______