In Exercises 125 and 126, (a) use a graphing utility to graph the function and approximate the maximum and minimum points on the graph in the interval and (b) solve the trigonometric equation and verify that its solutions are the -coordinates of the maximum and minimum points of (Calculus is required to find the trigonometric equation.)

Study Guide 1 1. Which Phylum has jointed feet 2. What kind of circulatory system does anthropoda have 3. Describe the developmental stage of insecta. 4. In Phylum Echinodermata, what kind of symmetry does adults and larvae have 5. Name 4 key features of Chordata. 6. What are the subgroups of subphylum craniata 7. What are 3 adaptations that aquatic animals nee for terrestrial life...