I need help omg!
pls lol

On a piece of paper graph f(x)=5•(0.4)^x

The price for gasoline is represented by the equation y=3.69x, where y represents the total price for x gallons of gasoline. on a graph, the number of gallons is represented on the horizontal axis, and the total price is represented on the vertical axis. determine whether each statement describes the graph of the equation. select true or false for each statement

What is the slope of the line that has an equation of y equals x -3