Jawapan

  • Pengguna Brainly
2016-01-23T15:31:10+08:00
F (x) = ax + b
f (4) = 6
f ( 2 ) = - 2

f (4) = 6
6 = 4a + b
b = 6 - 4a

f (2) = - 2
- 2 = - 2a + ( 6 - 4a )
- 2 = - 2a + 6 - 4a
6a = 6 + 2
6a = 8
a = 4/3

b = 6 - 4 (4/3)
b = 6 - 16/3
b = 2/3
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