How does the slope on a graph compare if you calculate using a point going up, compared to using a point going down

Write an equation for the function that includes the points (2,100)and (3,100)

Kyle and elijah are planning a road trip to california. their car travels 3/4 of a mile per min. if they did not stop driving, how many miles could kyle and elijah drove in a whole day? ? 1 day = 24 hours. plzzz write a proportion i will give you 100 points

Ineed the solution to this problem and the steps.