Optimal boxes?. Imagine a lidless box with height ?h and a square base whose sides have len ? gth? . The box must have a volume of 125 ft3. a. Find and graph the fu?nc? tion ?S(? ) that gives the surface area of the box for all v?alues o? > 0. b. Based on your graph in part (a), estimate the value of ?x that produces the box with a minimum surface area.

BIOL-209 Human Anatomy and Physiology Week 8, Day 1 • Functions of the Respiratory System o Air filtration o Gas exchange (O a2d CO ) 2 o Regulation of pH o Olfactory receptors (sense of smell) o Sound generation (phonation) o Water and heat dissipation • Components...