Question 13. Points possible: 4 License This is attempt 1 of 1. Message instructor about this question The given table shows ordered pairs for an exponential function. What is the value of y when z = 0? z y = f(z) 2 45 3 135 A 405 O - 135 05 405 O-45 Question 14. Points possible: 4 This is attempt 1 of 1. Message instructor about this question Erin took a 400 my dose of antibiotics. Her doctor said that the amount of medicine in her bloodstream would change by 24% every 3 hours. Select the formula for the function f that models the amount of medicine in Erin's bloodstream (in my) in terms of the number of hours, t, since she took the dose. Of(t) - 400 . 0.767 Of(t) - 400 . 0.24" Of(t) 400 . 0.76" Of(t) 400 . 0.76' Of(t) - 400 . 0.247 Question 15. Points possible: 4 O Search p $10 4 16 194 101Question 9. Points possible: 4 Liveme This is attempt I of 1. Mesage instructor about this question The value of y varies exponentially with respect to z and the 1-unit growth factor is 1.9. Which of the following is the best explanation for the meaning of this growth factor? O Whenever a changes by 1, the value of y becomes 1.g times as large as its previous value. Whenever z changes by 1.9, the value of y becomes 1 unit larger than its previous value. O Whenever z changes by 1, the value of y becomes 1.9 units larger than its previous value. O Whenever x changes by 1, the value of y becomes 1.9 times as large as its previous value. Whenever a changes by 1.9, the value of y doubles its previous value. Question 10. Points possible: 4 This is attempt 1 of 1. Message instructor about this question The value of y varies exponentially with respect to z and the 1-unit percent change is 255%. Which of the following is the 1-unit growth factor for O 155 O2.55 O 355 O3.55 O 1.55 Question 11. Points possible: 4 This is attempt I of 1. Message instructor about this question Trent plants a 7-inch tomato plant in his garden. The plant grows by about 15% per week for several months. Which function defintion represents the height of the tomato plant (in inches) as a function of the number of weeks, t since the tomato plant was planted? O Search 17 18 19 144 10 +g.net Question 17. Points possible: 4 License This is attempt 1 of 1. Message instructor about this question The volume of a liquid in a chemical reaction is modeled by the function f() - 5(0.23)', where the output f(t) measures the volume of liquid (in milliliters) in terms of is the number of minutes, t, since the initial volume was measured. Which of the following statements is true about the relationship between the volume of the liquid and the number of minutes that have elapsed? For each minute that passes, the volume increases by 0.77 mL. For each minute that passes, the volume increases by 23% For each minute that passes, the volume decreases by 77% For each minute that passes, the volume increases by 77% For each minute that passes, the volume decreases by 23% Question 18. Points possible: 4 This is attempt I of 1. Message instructor about this question An alpaca farm had 200 alpacas on January 1, 2010. By January 1, 2013, this same alpaca farm had 227 alpacas. Let t represent the number of years since January 1, 2010. Assuming that this population of alpacas is growing exponentially, define a function f that describes this farm's alpaca population in terms of the number of years, t, after January 1, 2010. Round all values to two decimal places. (Hint: remember that t represents the number of individual years since January 1, 2010. It does not represent the number of 3 year increments.) Of(t) - 200(1.14) Of(t) - 200(1.14) Of(t) - 200(0.88) Of(t) - 200(0.88) of(t) - 200(1.14)' Question 19. Points possible: 4 This is attempt 1 of 1. O Search G hp O 18 19 144Of(t) = 400 . 0.24i Question 15. Points possible: 4 License This is attempt 1 of 1. Message instructor about this question Which of the following statements is equivalent to the statement: 17" - 83521? Oz17 - 83521 O log17(83521) = z O 172 - 83521 O log83521 (2) = 17 Olog17(7) - 83521 Question 16. Points possible: 4 Liver This is attempt 1 of 1. Message instructor about this question Wade's carpet has an area of 180 square feet. He hires the CarpetPro carpet cleaning service, which is able to clean 9 square feet of his carpet every minute. Therefore, in the first minute, CarpetPro is able to clean 9 square feet of Wade's carpet (leaving 171 square feet remaining to be cleaned). In the second minute, the cleaner is again able to clean 9 square feet of carpet (leaving 162 square feet to be cleaned), etc. Which of the following functions expresses the number of square feet that still remain to be cleaned after t minutes from the time that the carpet cleaner began cleaning this carpet. O A(t) - 180(0.9t) O A(t) - 180(0.1)' O A(t) - 180 0.9t OA(t) - 180 0.1' O A(t) - 180 9t Question 17. Points possible: 4 This is attempt I of 1. Message instructor about this question O Search hp 17 18 144 14O1.55 Question 11. Points possible: 4 License This is attempt 1 of 1. Message instructor about this question Trent plants a 7-inch tomato plant in his garden. The plant grows by about 15% per week for several months. Which function defintion represents the height of the tomato plant (in inches) as a function of the number of weeks, t since the tomato plant was planted? O g(t) - 7(0.15)' O g(t) - 7 + 1.15t O g(t) - 7(1.15t) O g(t) - 7(1.15)' O g(t) = 7 + 0.15t Question 12. Points possible: 4 License This is attempt I of 1: Message instructor about this question If y = 3" and z is increased by 2, then. O The value of y increases by 2. The value of y increases by 9 The value of y increases by a factor of 2. The value of y increases by 6. The value of y increases by a factor of 9. Question 13. Points possible: 4 This is attempt I of 1 Message instructor about this question The given table shows ordered pairs for an exponential function. What is the value of y when a _ 0 1 4 - f(1) O Search G hp 14 15 16 17 44