Suppose you park your car at a trailhead in a national park and begin a 2? -hr hike to a lake at 7 a. m. on a friday morning. on saturday ? morning, you leave the lake at 7 a. m. and start the 2? -hr hike back to your car along the same trail you took to the lake. assume the lake is 2 mi from your car. let? f(t) be your distance from the car t hours after 7 a. m. on friday morning and let? g(t) be your distance from the car t hours after 7 a. m. on saturday morning. complete parts a to b below. a. evaluate? f(0), f(55), g(0), and g(55).b. let h(t)=f(t) g(t). find h(0) and h(55).

Astudent is determining the influence of different types of food on the growth rate of spiders. she feeds one group of spiders two caterpillars twice a week. the other group received similarly-sized beetles twice a week. she records the amount of time required for individuals to reach sexual maturity. her hypothesis is that the spiders feeding on caterpillars will have a faster growth rate because caterpillars have a higher protein content compared to beetles. in this experiment, what is the dependent variable? spiders assigned to different feeding groups. time required to reach sexual maturity number of prey items fed twice a week. growth rates of each group.