"go down by a factor of 是一道数学题出现的,说x变化后y会go down by a factor of 2是go down,所以是y=-2x还是y=2x?

go down by a factor of 是一道数学题出现的,说x变化后y会go down by a factor of 2是go down,所以是y=-2x还是y=2x? go cross ,go down,go by go down go away go over go by reduce by a factor of 3 to 4怎么翻译 We go up and down ________?We go up and down _________ A. in the lift B. in lift C. by the lift D. take a lift by planting more trees ,we can ________ the number of greenhouse gases in the air.A .bring B.bring down C.go up D .go down尽快! 那个horizontal stretch by a factor of 是说横纵坐标那个horizontal stretch by a factor of 4是什么意思?是说横纵坐标都乘4吗,还是扩大移动什么的, go down.go over.go by.go up.分别是哪些意思 377.People usually go up and down the tall buildings_____the lift.A.by B.in C.on D.with My bike is broken.May i go ___yours?--- sorry,mine has broken down.A by B on a factor of It has been increased by a factor of 4 since 1995.怎么翻译? the force is smaller by a factor of N如何翻译啊 The power factor in an ac circuit is improved by connecting a capacitor 关于a factor of的意思A rapid decrease by a factor of 7 was observed.这里的decrease by a factor of 7 究竟是“减少到1/7”还是“减少了1/7”a factor of 7究竟又是什么意思? You can go up and down by life,(对by life提问） 数学SAT一道Which of the following is a transformation of y=f(x) that translates this function down 3,shrinks it horizontally by a factor of 2,and reflects it about the x-axis.-f(0.5x)-3,求翻译求解释 用go down a storm造句用go down a storm（深受欢迎）造句,