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Verified answer
Verified answer
Jawabf(x) = ax + b
f(-2) = 13
f(3) = - 7 ......(-)
(-2 - 3)a = 13 -(-7)
-5a = 20
a = - 4
f(3) = - 7
b = -7 - 3a
b = - 7 -3(-4)
b = 5
F(-3) = - 3a + b
= - 3(-4) + 5
= 12 + 5
= 17