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Verified answer
Bab FungsiMatematika SMP Kelas VIII
h(x) = ax + b
h(-2) = -2a + b = -10
h(3) = 3a + b = 5
--------------------- -
-5a = -15
a = 3
3a + b = 5
3 . 3 + b = 5
b = 5 - 9
b = -4
-ab = -3 . (-4)
= 12