Answer
$.22x²+1.79x+215.81$
Work Step by Step
$f(x)=$ number of Americans under 65 covered by public health programs
$g(x)=$ number Americans under 65 covered by private health insurance
$f(x)=-0.92x²+2.43x+34.85$
$g(x)=.07x²-0.64x+180.96$
$f(x)+g(x)=-.22x²+1.79x+215.81$
