2. The function below, and its graph, gives the rainfall in mm/day that falls in the month of May, where t is measured in days and t = 0 coincides with 1 May 2022. 50 f(t) = t2 - 20t + 101 (a) Showing all your calculations find the following: i. The day on which the rainfall was highest. ii. The day on which the rainfall per day was increasing the fastest. (b) What does the integral S”. f(t)dt calculate? Explain clearly, but you do not need to actually calculate the integral. (c) If F(t) is an antiderivative of f(t), explain why the function F(t) is always increasing. (d) You are told that a total of 150mm of rain fell in May 2022. Using this fact draw a rough sketch of the antiderivative function F(t) of f(t) starting with F(0) = 0. Indicate any important aspects of the graph - maxima, minima, inflection points etc. (You do not need to find the formula for F(t) just make a rough sketch using what you know about f(t).)
2. The function below, and its graph, gives the rainfall in mm/day that falls in the month of May, where t is measured in days and t = 0 coincides with 1 May 2022. 50 f(t) = t2 - 20t + 101 (a) Showing all your calculations find the following: i. The day on which the rainfall was highest. ii. The day on which the rainfall per day was increasing the fastest. (b) What does the integral S”. f(t)dt calculate? Explain clearly, but you do not need to actually calculate the integral. (c) If F(t) is an antiderivative of f(t), explain why the function F(t) is always increasing. (d) You are told that a total of 150mm of rain fell in May 2022. Using this fact draw a rough sketch of the antiderivative function F(t) of f(t) starting with F(0) = 0. Indicate any important aspects of the graph - maxima, minima, inflection points etc. (You do not need to find the formula for F(t) just make a rough sketch using what you know about f(t).)
College Algebra
7th Edition
ISBN:9781305115545
Author:James Stewart, Lothar Redlin, Saleem Watson
Publisher:James Stewart, Lothar Redlin, Saleem Watson
Chapter2: Functions
Section: Chapter Questions
Problem 30P: In this problem you are asked to find a function that models in real life situation and then use the...
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