Two friends decide to go on a four hour ride on off road vehicles through mountainous terrain the graph represents their elevation in hundreds of feet as a function of time in hours the ride started 2000 feet above sea level so for the purpose of this problem assume the x-axis represents an elevation of 2000 feet find the key features of the graph fine the extrema zeros end behavior increasing and decreasing intervals and positive and negative intervals

In a coastal town, the humidity, measured in grams of water per kilogram of air, increases by 43% for every 1 degree celsius increase in temperature. a scientist observes that the humidity on monday morning is 5.75 grams per kilogram. he wants to know how much the temperature must increase for the humidity to reach at least 49.17 grams per kilogram. let t represent the increase in temperature, in degrees celsius, from monday morning's observation. write an inequality to represent the situation, and use it to determine the desired temperature increase.