Take Test: HW6: Exponential Modeling Test Information Description Homework is due Monday, Sept 26th before 9:00 am . Click on "HW6: Exponential Modeling" above to start this homework assignment. There are 12 questions in this assignment to provide you with the practice for linear modeling. Home You have unlimited attempts at this assignment until the due date The last attempt will be recorded in the grade book. . You do not need to complete this assignment in one sitting. Feel free to work! save and come back before making your first submission. . Once you've put in all answers, hit submit. . You will be told which answers were correct and which were incorrect. . After Sept 26th, incomplete homework will receive one attempt until Oct 3rd. Instructions Here is the homework assignment to practice: . Creating exponential models from words . Creating exponential models from data Evaluating exponential models Goal Seek Multiple Attempts This test allows multiple attempts. Force Completion This test can be saved and resumed later. Your answers are saved automatically. Question Completion Status: QUESTION 1 6 points Save Answer A colony of bacteria in a petri dish doubles in size every 24 hours. Assuming the colony started with 8 individuals, determine how many bacteria there would be after 1 day, and how many there would be in two days: Days Number of bacteria 8 QUESTION 2 8 points Save Answer Using the data in your chart from the previous question, what is the exponential model that best fits the data set? Write it in the form that Excel provides, reporting the exact numbers that Excel shows. V ( x. QUESTION 3 5 points Save Answer Determine the growth rate of the model in the previous question as a percentage, rounded to two decimal places. (Hint: It may first help to rewrite your equation in Q form like in the lesson). QUESTION 4 9 points Save Answer Click Save and Submit to save and submit. Click Save All Answers to save all answers. Save All Answers Save and Submit Need some help?? Qo: The number _ is the starting value of the number of bacteria on _ r: The "r" tells us the rate at which the the amount of bacteria is by every _ QUESTION 5 8 points Save Answer How many bacteria will be in the Petri dish after 9 and a half days? Round your answer to the nearest whole bacterium. (Note: Always use Excel's model, not Q form) QUESTION 6 8 points Save Answer Assuming the Petri dish has enough space and enough nutrients, how many days would you expect it to take for the culture to grow to 1,000,000? Round your answer to two decimal places. (Note: Always use Excel's model, not Q form) (Hint: you are solving for time in an exponential model, so you need goal seek) QUESTION 7 12 points Save Answer Tevon invests $100 into an account. Each year, the value of his account grows by 3.75%. Write an equation that models the value of Tevon's account, A, for each year, t, that passes. QUESTION 8 8 points Save Answer Given the information about Tevon's account in the previous question, how long will it take until his account reaches $500? Round to two decimal places. years QUESTION 9 8 points Save Answer How much money will Tevon have in his account in 5 years? S QUESTION 10 12 points Save Answer Ravi has an ant problem at his house, so he asked pest control to come spray to get rid of the ants. The pesticide that the pest control company uses kills ants at a rate of 35.6% per hour. Before spraying, the pest control company determines that Ravi has about 25,000 ants. Write an equation to model the number of ants, A, Ravi will still have after h hours. QUESTION 11 8 points Save Answer How many ants does Ravi still have after 3 hours? Round to the nearest ant. ants QUESTION 12 8 points Save Answer How long will it take until all of Ravi's ants are gone? (round to the nearest integer) hours