Solve the Problem $d$ In Kilometers That You Can See from a Height

Multiple Choice

Solve the problem.
-The maximum distance $d$ in kilometers that you can see from a height $h$ in meters is given by the formula $\mathrm { d } = 3.5 \sqrt { \mathrm { h } }$ . How high above the ground must you be to see 35 kilometers. (Round to the nearest tenth of a meter.)

A) $100 \mathrm {~m}$
B) $10 \mathrm {~m}$
C) $350 \mathrm {~m}$
D) $20.7 \mathrm {~m}$