The function g(x) =f(x)-9 is a transformation from the parent function, f(x)=x. Which statement about the key features of is true?
A The slope of g(x) is -8
B The x-intercept for g(x) is (-9,0)
C The slope of g(x) is -1
D The y-intercept for g(x) is (0,-9)
please help
