Question

Diketahui suatu fungsi f(x) = ax+b; f(3) = 3 dan f(1) =-1. Nilai f(m+1) adalah...​

Answer 1

f(3)=3

3a+b=3

f(1)=-1

a+b=-1

3a+b=3

a+b=-1

2a=4

a=2

2+b=-1

b=-1-2

b=-3

2(m+1)+(-3)

2m+2-3

=2m-1