7.2 #14-15 and N.R 6

Numerical Response 6. The x-intercept of the graph of f(x) = logs (x) is 1. The x-intercept, to the nearest hundredth, of the graph of the transformed function y = 4f(3 - x) + 3 will be Hint: Compare y = 4f(3 - x) + 3 to y = af(b(x -h))+ k. 14. A correct expansion of the logarithmic expression 2 log4 (4xy) is A. 4 log4 4xy B. log4 42 + 2 logaxy* C. 2 + log4x2 + logy* D. log4 42 + log4x* + log4y* Hint: Use logarithmic laws. 15. The logarithmic expression 3 logzx - log2 (2y) + 5 can be written as 3x A. log 2y B. log2 4y 16x C. log2 y D. log2 1+ 5