Earth’s density Earth’s density D(h)(in g/cm3) h meters underneath the surface can be appr...

Earth’s density Earth’s density D(h)(in g/cm3) h meters underneath the surface can be approximated by

where

a = 1.4 ×10−3, b = 2.49 × 10−6, c = 2.19 × 10−9,

and 0 < h < 1000. Use the graph of D to approximate the depth h at which the density of Earth is 3.7.