Enguish Jayne stopped to get gas before going on a road trip. The tank already had 4 gallons of gas in it. Which equation relates the
total amount of gasoline in the tank, y, to the number of gallons that she put in the tank, X?
y=4+x
y = x-4
y = 4.x
y = x=4

1. writing an equation for an exponential function by 2. a piece of paper that is 0.6 millimeter thick is folded. write an equation for the thickness t of the paper in millimeters as a function of the number n of folds. the equation is t(n)= 3. enter an equation for the function that includes the points. (-2, 2/5) and (-1,2)