y• Speed of this year'swinner = Slope of the graph20001800km/hour%3D1600|(8, 1600)• Set a greater speed to which Sam's car1400H(7, 1400)km/hourshould be tuned:(Ensure that it's a multiple of 40 and it'sless than 480 km/hour to make yourcalculations easy.)1200G(6, 1200)1000F(5, 1000)800E(4, 800)600D(3, 600)• Tabulate the distance-time details forthis speed below (at least to 3 points).(Hint: Speed = Distance/Time)400C(2, 400)200B(1, 200)A(0,0)0 1 23 4 5 6 7Time (hours)8 9(Ensure that the speed remainsconstant in all these cases.)Distance (km)

Answered: Image /qna-images/answer/f02a97b5-07ce-4fa2-b090-b8073f3adaed.jpg

Answered: y Speed of this year's winner = Slope…

Elementary Geometry For College Students, 7e

7th Edition

ISBN:9781337614085

Author:Alexander, Daniel C.; Koeberlein, Geralyn M.

Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.

ChapterP: Preliminary Concepts

SectionP.CT: Test

Problem 1CT

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2 What is the ratio of vertical change to horizontal change in the graph below? A y 120 100 60 40 20 0. 10 20 30 40 50 60 2/3 3/2 2/3
A population of 490000 microbes increases at the continuous rate of 12% per day. Draw the graph of a function that models the situation. The vertical (y) intercept is:
Algebra Question
what is the constant of variation in this graph?
The U.S. population can be modeled by the function y=165.6x¹.345, where y is in thousands and x is the number of years after 1800. (a) What was the population in 1970, according to this model? (b) is the graph of this function concave up or concave down? What does this mean? (c) Use numerical or graphical methods to find when the model estimates the population was 94,150,000. (a) According to the model, the population in 1970 was thousands. (Round to the nearest integer as needed.)
The height above ground (in feet) of a ball thrown vertically into the air is given by S = 80t – 16t2 where t is the time in seconds since the ball was thrown. (a) Graph this equation with a graphing calculator and the window t-min = -2, t-max = 10; S-min = -20, S-max = 150. S S 150 150- - 10 -8 -6 -4 -2 2 -2 4 6 8 10 100 100 -50 09 50 - 100 - 100 -2 4 8 10 - 10 -8 -6 -4 -2 - 150 -15아 (b) Estimate the time at which the ball is at its highest point, and estimate the height of the ball at that time. t = 16 X S S = 96 X ft
Starting with the graph of f(x) = 7, write the equation of the graph that results from a. shifting f(x) 4 units right. y = b. shifting f(x) 6 units downward. y = c. reflecting f(x) about the x-axis and the y-axis. y = Question Help: Video
Extra Problem: A sprinter runs the 100-yard dash in 10 seconds in the following fashion. She starts at rest (0 velocity), and for the first 6 seconds she speeds up to her highest speed. Unable to maintain that speed, she is slowing down for the last 4 seconds. You are to sketch a graph of her position along the track (in yards) as a function of time (in seconds). Be aware that she does not turn around and run toward the starting line, and she runs through the finish line rather than coming to a stop at the finish line.
x-Value 9. 9.7 O a) First Derivative f(9.7) = -10.8 Second Derivative f"(9) = 23.3 %3D x-Value 3.6 9.7 o b) First Derivative f(9.7) = 10.8 Second Derivative f"(3.6) = -7.6 X-Value 7.8 o c) First Derivative f(7.8) 20 Second Derivative f"(9) = -23.3 %3D X-Value 2 o d) First Derivative 3.6 f(2) = 3.8 %3D

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