Sales The sales S (in millions of dollars) for Fossil from 2007 through 2013 can be modeled by S = − 2.67538 t 4 + 94.0568 t 3 − 1155.203 t 2 + 6002.42 t − 97942. where t is the year, with t = 7 corresponding to 2007. (Source: Fossil, Group) (a) Find the slopes of the graph for the years 2010 and 2012. (b) Compare your results with those obtained in Exercise 14 in Section 2.1. (c) Interpret the slope of the graph in the context of the problem.
Sales The sales S (in millions of dollars) for Fossil from 2007 through 2013 can be modeled by S = − 2.67538 t 4 + 94.0568 t 3 − 1155.203 t 2 + 6002.42 t − 97942. where t is the year, with t = 7 corresponding to 2007. (Source: Fossil, Group) (a) Find the slopes of the graph for the years 2010 and 2012. (b) Compare your results with those obtained in Exercise 14 in Section 2.1. (c) Interpret the slope of the graph in the context of the problem.
Solution Summary: The author explains how to calculate the slope of a given graph for the year 2010 and 2012.
find the zeros of the function algebraically:
f(x) = 9x2 - 3x - 2
Rylee's car is stuck in the mud. Roman and Shanice come along in a truck to help pull her out. They attach
one end of a tow strap to the front of the car and the other end to the truck's trailer hitch, and the truck
starts to pull. Meanwhile, Roman and Shanice get behind the car and push. The truck generates a
horizontal force of 377 lb on the car. Roman and Shanice are pushing at a slight upward angle and generate
a force of 119 lb on the car. These forces can be represented by vectors, as shown in the figure below. The
angle between these vectors is 20.2°. Find the resultant force (the vector sum), then give its magnitude
and its direction angle from the positive x-axis.
119 lb
20.2°
377 lb
Chapter 2 Solutions
Calculus: An Applied Approach (Providence College: MTH 109)
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Finding The Focus and Directrix of a Parabola - Conic Sections; Author: The Organic Chemistry Tutor;https://www.youtube.com/watch?v=KYgmOTLbuqE;License: Standard YouTube License, CC-BY