Which of the following transformations on f(x) would not change x-intercepts of f(x)? O a) - 5f( x ) Ob) f(- 5 x ) O c ) F( x ) - 5 O d) f( x- 5) Question 17 (1 point) The graph of y = f(X) is stretched horizontally by a factor of a and stretched vertically by a factor of . What is the equation of the image graph in terms of the function f ? Oay = if(81) Oby = of ($2) Ody = Af(8x) Ody = of (iz)