CPM Homework Banner

Use the graph below to write a possible equation in form.
Decreasing exponential graph, x axis is horizontal asymptote, with y-intercept at (0, comma 1), & slope triangle, from y-intercept, labeled as follows: vertical leg, negative 0.5, horizontal leg, + 1.

What is the value of , when ?

What is the multiplier ()? Substitute from a different point, and solve for .