Dental Services. The national cost C in billions of dollars for dental services can be modeled by the linear equation C = 2.85n + 30.52. Where n is the number of years since 1990 (HealthCare Financing Administration).
a) Find and interpret the c-intercept for the line
b) Find and interpret the n-intercept for the line
c) Graph the line for n ranging from 0-20