Which description is correct for the x-intercept(s) of function a and function b? function a: xg(x) −20 37 50 −12 0−2 function b: f(x)=|x|−3 responses A. function b has two x-intercepts. B. function a has one x-intercept. C. function b has two x -intercepts. D. function a has one x -intercept. E. both functions have the same x-intercept(s).