8. The hydrogen ion concentration of a lemon is about 0.02. What is its pH? [2 marks] 9. How do the intensities of a magnitude 6.0 earthquake and a magnitude 2.9 earthquake compare? [3 marks] 10. Using logarithm properties there are multiple ways of expressing the same transformations on a parent function. Given g(x) = Blog[2(x)], find equivalent functions in the following forms. Round values to 4 decimal places where appropriate. a. g(x) = log, (x) + c [3 marks] b. g(x) = log,[k(x)] [3 marks] c. g(x) = log[k(x")] [3 marks]