1. Write an equation in slope-intercept form of the line given the slope=" 1/4 pass through
(-2,1).

2. Write an equation in slope-intercept form of the line that passes through (0,4) and (5,19)

3. Write a linear function f with the given values.
a. g(0) = 2, f (2) = -3
b. g (-4) = -5, g (3) = - 1.

4. The corresponding data for electricity generated by hydropower are 248 million megawatt hours in 2007 and 277 million megawatt hours in 2012. Write a linear model that represents the number of megawatt hours generated by hydropower as a function of the number of years since 2007.

5. Write an equation in point-slope form of the line that passes through (-2, -5) and (4, -1).
6. In a city, if a customer is charged $12 for using 1,000 gallons and $16 for using 1,800
gallons.

a. Write a linear model that represents the monthly cost for water as a function of the number of gallons you will used.

b. Find the cost of 2,000 gallons.