Question

Using the discussed properties of exponential decay graphs, find the y-intercept of the function y=30(0.85)^x
that models an exponential sequence.(1 point)

Answer 1

The y-intercept occurs at x = 0. Substitute: y = 30(0.85)^0 = 30(1) = 30.
So the y-intercept is (0, 30).