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  • 1.You are saving for a new car which will cost $14500.You save by putting $200 a month into a saving account which gives

    1.You are saving for a new car which will cost $14500.You save by putting $200 a month into a saving account which gives 0.1%interest a month .After how many months will you be able to afford to buy the car
    2.Find the coordinates of the points on the curve with equation y=4x-(16/3)x^3 where the tangents to the curve are parallel to the x-axis .
    樓下的高手:
    第一題怎么得出結論的?有個關系式吧
    數學人氣:121 ℃時間:2020-02-01 10:04:08
    優(yōu)質解答
    【【【公式】】】S=R(((1+i)^n-1)/i)(1+i) 其中S為14500,r為200,n為要求的月數,i為0.1%,帶進去算得出以下結論.翻譯:1.你想買一輛14500美金的新車,于是你每個月把200塊錢存到一個賬戶里面,這個賬戶每月底有0.1%的利...
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