The life zones on Mount Rainier, a mountain in Washington, can be approximately classified by elevation, as follows. Low-elevation forest: above 1700 feet to 2500 feet
Mid-elevation forest: above 2500 feet to 4000 feet
Subalpine: above 4000 feet to 6500 feet
Alpine: above 6500 feet to the summit

Write a compound inequality that represents the elevation range h for each type of plant life.
a. trees in the low-elevation forest zone:

b. flowers in the subalpine and alpine zones: