Tolong dibantu :)   jika f(x) = 3x – 4 dan f(b) = 26, maka nilai b + 2 adalah…. please bantu,..

Posted on

Tolong dibantu 🙂
 
jika f(x) = 3x – 4 dan f(b) = 26, maka nilai b + 2 adalah….
please bantu,..

F (x) = 3x-4
f (b) = 26

f(b) = 3.(b)-4= 26
     = 3b = 30
         b = 10

b=2 = 10 =2 =12

F(x) = 3x – 4
f(b) = 26

f(b) => 3x – 4 = 26
           3x     = 26 + 4
             3x   = 30
             x    = 30/3
             x = 10
           b    = 10


b + 2 = 10 + 2 = 12