dinova dinova
  • 16-09-2016
  • Mathematics
contestada

di ketahui f(x)=ax+b tentukan fungsi f(1)=3danf(2)=5

Respuesta :

zahranadia20
zahranadia20 zahranadia20
  • 18-09-2016
f(x) = ax + b
maka..
f(1) = 3
a(1) + b = 3 --> a+b = 3

f(2) = 5
a(2) + b = 5 --> 2a+b = 5

untuk mencari nilai a dan b nya, di eliminasi, maka dapat
a=2 dan b=1
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