The sum of the ages of two people is 32. the difference is their ages is 4. what is the age of the younger person ?

When only separate discreet points are graphed it is called?

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 there an x intercept in the equation 60*1.15^x