Matematika Sekolah Menengah Pertama Jika f(x)=a× + b,f(1)=3 dan F(2)=5​

alizepourosulv – April 10, 2023

Jika f(x)=a× + b,f(1)=3 dan F(2)=5​

f(x) = ax + b

f(1) = 3

a + b = 3

b = 3 - a

f(2) = 5

2a + b = 5

2a + ( 3 - a ) = 5

a = 5 - 3

a = 2

b = 3 - a

b = 3 - 2

b = 1

Sehingga diperoleh nilai a = 2 dan b = 1

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