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

1 answer:

5 0

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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