Assessment (Post-test)Direction: Write the letter that corresponds to the best answer on your answer sheet.1. Which of the following statements describes an exponential growth?a. A population grows 5% every year.b. The cost of an apple per klogram.c. The area of a square of side s.d. The height of a person with respect to his age.2. Which of the following table of values describes an exponential function?x -2 -1 0 12y 9 6 569X 12 3 4 5y 1 35 7 9b.x -2 -1 0 12yI!13 993d.X0 123 4y 258 11 143. In the function y = 4(3)- 1, the graph is asymptotic toa. y =1b. y-axisc. y=-1d. x-axis4. Which function is increasing?а. ув-2b. y= 2()

1. in exponential growth the graph should be of ex type. Here if population grows 5% every year then…

Answered: 1. Which of the following statements…

Advanced Engineering Mathematics

10th Edition

ISBN:9780470458365

Author:Erwin Kreyszig

Publisher:Erwin Kreyszig

Chapter2: Second-order Linear Odes

Section: Chapter Questions

Problem 1RQ

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this is a practice problem, not a graded assignment
The data in the table below shows the intensity and loudness level of variaous sounds a. Create a scatter plot for the data. b. Use the scatter plot to determine whether an exponential function, a logarithmic function, or a linear function is the best choice for modeling the data Intensity-watt per Meter2 (x) 0.1 3 25 97 Loudness Level- decibels (y) 109 120 131 141
4. A radioactive sample with an initial mass of 85mg has a half-life of 10 days A.write a function to relate the amount remaining A, in milligrams, to the time,t, in days? B. what amount of radioactive sample will remain after 20 days? round to the nearest hundredth of a unit. C.what amount of radioactive a sample was there 30daysago? Round to the nearest hundredth of the unit. D. how long, to the nearest day, will it take for there to be 17mg of the initial sample remaining?
1. Complete the chart. 1 2 12 365 Continuous A. P= $2500, . r= 6%, 40 years
Please help with the last part. Use the model to predict the atmospheric pressure (in lb/in? at an altitude of 18 km. Round to the nearest tenth.
3. You have the information that the number of cases of influenza on Dec 31 (day 0) was 29 and on day 5 there were 32 cases. Define variables: t = time in days since Dec 31C = number of cases a. Assume this situation is linear. Write a formula for this situation. C=·t+29 c. Assume this situation is exponential. Write a formula for this situation. d. Use your exponential formula to determine when the number of cases will hit 128
10. Which function represents exponential growth? O A. y = 16(0.4)" %3D B. y= 823 %3D C. 20 2 O D. y = 20 8.
True or False Identify whether the following represents one-to-one functions. a. Degree Fahrenheit to its equivalent degree Celsius measurement. b. Person to his/her citizenship. c. Fare to the distance travelled. d. Cellphone to its cellphone number. e. Length in meters to its length in inches. f. Father to his first biological son. g. ATM Card Number to account name. h. Person to his favorite music. i. House to telephone number. j. Brand name to pair of shoes.
9. A new car is purchased for $22,627. Each year, the car decreases in value by 3.1%. a. Write an exponential function for the value of the car using time (t) in years as the input quantity. b. How much is the car worth in 5 years? Use your equation from part a to solve. Round to two decimal places.
By taking percent change of the outputs, determine the type of given function. a. Exactly exponential b. Approximately exponential c. Not exponential
Pls help ASAP

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