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Done 6 myopenmath.com AA (3 Assignment 4.7: Exponential and Logarithmic Models Score: 0/80 0/8 answered Progress saved Done (a) 'l/c. 0 Question 2 v B 0/10 pts '0 5 8 99 6) Details The half-life of Palladium-100 is 4 days. After 16 days a sample of Palladium-100 has been reduced to a mass of 5 mg. What was the initial mass (in mg) of the sample? What is the mass (in mg) 7 weeks after the start? You may enter the exact value or round to 4 decimal places. Question Help: E] Video Submit Question Jump to Answer 6:23 Done myopenmath.com AA Assignment 4.4: Graphs of Logarithmic Functions Score: 34/70 4/7 answered Progress saved Done VO O . . . Question 4 0/ 10 pts 9 5 ~ 97 0 Details Find the domain of y = log(6 + 4x). The domain is: Question Help: DVideo Submit Question Jump to Answer B 0/10 pts '0 5 8 99 6) Details The fox population in a certain region has a continuous growth rate of 8 percent per year. It is estimated that the population in the year 2000 was 6000. (a) Find a function that models the population 75 years after 2000 (t : 0 for 2000). Hint: Use an exponential function with base 6. (b) Use the function from part (a) to estimate the fox population in the year 2008. Your answer is (the answer must be an integer) Question Help: E] Video Submit Question Jump to Answer Done Reader Available E] C), Assignment 4.7: Exponential and Logarithmic Models Score: 0/80 0/8 answered Progress saved Done @ 'l/EC. . Question 7 v B 0/10 pts '0 5 Z 99 6) Details A certain community consists of 3500 people, and one individual has a particularly contagious strain of influenza. Assuming the community has not had vaccination shots and are all susceptible, the spread of the disease in the community is modeled by 3500 A : 1 + 349960'65t where A is the number of people who have contracted the flu after t days. (a) How many people have contracted the flu after 8 days? Round your answer to the nearest whole number. people (b) What is the carrying capacity for this model? (c) How many days will it take for 425 people to contract the flu? Round your answer to the nearest whole number. days. Question Help: El Video 1 E] Video 2 0/10 pts 9 5 99 0 Details Match the formula of the logarithmic function to its graph. Graphs of Logarithmic Functions -5 -4 -3 -2 -1 /1 A C -5 -4 -3 -2 -1 4 B 0/10 pts '0 5 8 99 6) Details At the beginning of an experiment, a scientist has 324 grams of radioactive goo. After 210 minutes, her sample has decayed to 10.125 grams. What is the half-life of the goo in minutes? C] Find a formula for G(t), the amount of goo remaining at time t. G(t) : How many grams of goo will remain after 56 minutes? Q You may enter the exact value or round to 2 decimal places. Question Help: E] Video Submit Question Jump to Answer 6:24 Done myopenmath.com AA Assignment 4.4: Graphs of Logarithmic Functions Score: 34/70 4/7 answered Progress saved Done VO O . . . Question 6 0/10 pts 9 5 99 0 Details Q Match each equation with a graph above - ~ log(x) a. green - log, (x) b. red c. blue - logo (x) d. black - ~ In(ac) Submit Question Jump to Answer B 0/10 pts '0 5 8 99 6) Details The half-life of Radium-226 is 1590 years. If a sample contains 300 mg, how many mg will remain after 1000 years? _mg Give your answer accurate to at least 2 decimal places. Question Help: El Video 1 Video 2 Submit Question Jump to Answer 6:23 Done myopenmath.com AA Assignment 4.7: Exponential and Logarithmic Models Score: 0/80 0/8 answered Progress saved Done VO . . . Question 4 B 0/10 pts '0 5 8 99 6) Details Find the time required for an investment of 5000 dollars to grow to 8800 dollars at an interest rate of 7.5 percent per year, compounded quarterly. You may enter the exact value or round to 2 decimal places. Question Help: El Video Submit Question Jump to Answer 6:25 myopenmath.com -5 -4 -3 -2 -1, 4 - -5 -4 -3 -2 -1 A C -5 -4 -3 -2 -1 N- 4 Formulas for the Graphs a. f(x) = - log1 (x) b. f(x) = log (2) c. f(x) = 10g5 (2) d. f(x) = - 10g3 (2) Question Help: DVideo 1 DVideo 2 Submit Question Jump to AnSWCTDone 6 myopenmath.com AA 6 Assignment 4.7: Exponential and Logarithmic Models Score: 0/80 0/8 answered Progress saved Done (a) 'l/c. 0 Question 8 v B 0/10 pts '0 5 Z 99 6) Details A herd of 13 white-tailed deer is introduced to a coastal island where there had been no deer before. Their population is predicted to increase according to 104 A: 1 + 760'6t where A is the number of deer expected in the herd after t years. (a) How many deer will be present after 4 years? Round your answer to the nearest whole number. deer (b) What is the carrying capacity for this model? (c) How many years will it take for the herd to grow to 60 deer? Round your answer to the nearest whole number. years. Question Help: El Video 1 E] Video 2 Jump to Answer