Describe the transformation of esch function compared to its parent function f(x)=|x|-7​

In the image, point a marks the center of the circle. which two lengths must form a ratio of 1 : 2? (options are in the images since thought they were harmful phrases)

If g(x) is an odd function, which function must be an even function?

For f(x)=2x+3 and g(x)=x^2- 8 find (f+g) (x)