Name: MBF 3C: Unit 5 Activity 6 Unit Assignment Make sure to show ALL stepsl For questions 1 and 2 circle the most correct response (2 marks) 1. Which of the following is an exponential equation? a. yer b. y = 2x-4 C. Y (x+3]' d. 2(4) 2. Which of the following graphs shows exponential decay? b. C d. Toriki 3. Determine If the following is an exponential Relation and explain why it is or lan't an exponential relation (6 marks) d F veld no ? Reason:Name: MBF 3C: Unit 5 Activity 6 Unit Assignment Write as a single positive power, then evaluate if possible. (5 marks) 516 b. (x') (x') C. (4x 2)-3 5. Complete the table of values and graph the following exponential function (4 marks) 7= (3) -3 6. Radon is being stored in a lab. When the company got the sample it contained 380 mp of radon. The half-life of radon is approximately 4 days. M = 380() Where M Is the remaining mass and t is the time In days. a, How much radon Is remaining when they take the sample to use after one week of getting It? [3 marks)Name: MBF 3C: Unit 5 Activity 6 Unit Assignment 7. A tree population initially had 715 trees in the park, but have been decreasing by 1 4% each year due to a fungal infection. a. Add in the missing percent into the equation (1 marks) y = 715(1- )' Where y is the total population of trees and t is the time in years. b. How many trees will remain after 2 years? (3 marks) C. How many trees will remain after 20 years