Question

Jika f(x) = ax + b maka nilai perubahan fungsi f(x) - f(x+1) = ... Pakai cara yaa terimakasih..

Answer 1

F(x) = ax + b
f(x+1) = a(x+1) + b
         = ax + a + b
f(x) - f(x+1) = ax + b - (ax + a + b)
                = ax + b - ax - a -b
                = -a