Register Now

Login

Lost Password

Lost your password? Please enter your email address. You will receive a link and will create a new password via email.

222-9+11+12:2*14+14 = ? ( )

Toán Lớp 7: cho hàm số y=f(x) = 4-3x.Để f(X)=1 thì x bằng Cho câu tlhn + tim

Toán Lớp 7: cho hàm số y=f(x) = 4-3x.Để f(X)=1 thì x bằng
Cho câu tlhn + tim

Comments ( 2 )

  1. Để f(x) = 1 thì

    => y = 4 – 3 . 1

    => y = 1

  2.  Ta có f(X)=1 $\Longrightarrow$ y=f(x) = 4-3x=1
    $\Longrightarrow$ 4-3x=1
    $\Longrightarrow$ 3x=4-1
    $\Longrightarrow$ 3x=3
    $\Longrightarrow$ x=3.3
    $\Longrightarrow$ x=9
    Vậyy=f(x) = 4-3x=9

Leave a reply

222-9+11+12:2*14+14 = ? ( )