Hiv/Aids Federal funding f in billions of dollars for hiv/aids research from 1981 to 2006 can be modeled by f=0.0316x^2+0.015x-0.046. Where x=1 corresponds to 1981, x=2 corresponds to 1982, and so on until x=2 corresponds to 2006
a. estimate federal funding for Hiv/Aids research in 2001
b Use a table of values to estimate the year in which federal funding for Hiv/Aids research reached $18.5billion.ails as possible.