The area of a rectangle is x2 - 3x - 54. Find the perimeter

Find x to the nearest hundredth place

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)

Is the point (0, 8) on the x-axis or y-axis? how do you know?