This quiz: 10 point(s) Quiz: Chapter 4 Quiz Submit quiz Write the given exponential equation in logarithmic form, 4a"?:o The logarithmic form is This quiz: 10 point(s) 8-3.3 possible This question: 1 noint(s) possible Next question 2 Quiz: Chapter4 Quiz Submit quiz Write the given expression in an expanded form, Assume that variables represent positive numbers i'ri = (Do not simplify.) -iei This quiz: 10 point(s) Quiz: Chapter 4 Quiz Find a and k and then evaluate the function f(3). The value of a is . (Type an integer or decimal rounded to three decimal places as needed.) The value of k is .(Type an exact answer in simplified form. Type an integer or a fraction.) f(3) = (Type an integer or decimal rounded to three decimal places as needed.)This quiz: 10 point(s) Quiz: Chapter 4 Quiz Question 9 of 10 possible This question: 1 Submit quiz noint(s) possible Next question 25,000 The number of people in a community who became infected during an epidemic t weeks after its outbreak is given by the function f(t) = 1 + ae - kt : Where 25,000 people of the community are susceptible to the disease. Assume that 1000 people were infected initially and 8490 had been infected by the end of the fourth week. Complete parts a. and b.. a. Find the number of people infected after 8 weeks. (Simplify your answer. Do not round until the final answer. Then round to the nearest whole number as needed.) b. After how many weeks will 19,302 people be infected? weeks (Simplify your answer. Do not round until the final answer. Then round to the nearest whole number as needed.)This quiz: 10 point(s) Quiz: Chapter 4 Quiz