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a climber is on a hike . after 2 hours he is at an altitude of 400 feet after 6 hours he is at an altitude of 700 what is the average rate of change (SHOW YOUR WORK!!!!)

Respuesta :

Answer:

Step-by-step explanation:

Rate of change = Δy/Δx

Let x = time in hours and y = altitude in feet

Δx = 6 hours - 2 hours = 4 hours

Δy = 700 feet - 400 feet = 300 feet

ROC = 300 feet/4 hours = 75 feet/hour.