4. (6 pts) Convert to a logarithmic equation: ab = c 5. (6 pts) Convert to an exponential equation: 3 = Iny 6. (7 pts) Express in terms of sums and differences of logarithms: 10ga xy 7. (7 pts) Express as a single logarithm: 310g2 a - - 10g2 6 + 10g2 C 8. (10 pts) A country's population doubled in 20 years. What was the exponential growth rate?1. (10 pts each) Graph each of the following functions. Clearly determine and label all x- and y-intercepts, and all vertical and horizontal asymptotes (if they exist). (a) f(x) = x(2+2)(2-2)(b) g(x) = T