Question

please help

1. What affect does h = -4 have on the function f(x) = log(x)?Answer The graph moves 4 units to the right. The graph moves 4 units to up. The graph moves 4 units to the left. The graph is stretched by a factor of |-4|.

2. What is the range of f(x) = log(x – 3)?Answer All Real Numbers y < 0 y > 0 y > 3

3. What is the domain of f(x) = log(x) + 7?Answer All Real Numbers x > 7 x < 7 x > 0