A：g（x）=9x+8
B：g（x）=3x+8
C：g（x）=﹣3x﹣4
D：g（x）=3x+2或g（x）=﹣3x﹣4
— Can I use your notebook computer this afternoon? ________ is under repair.
— No problem.
—Which city has population, Beijing, Guiyang or Xingyi?
—Xingyi, of course.
