F(-1)=3 f(2)=-6 tentukan bentuk fungsi
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F(-1)=3 f(2)=-6 tentukan bentuk fungsi
1 Jawaban
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1. Jawaban amoy47
f ( -1) = ax + b = 3
= -a+ b = 3
f (2) = ax + b= -6
= 2a + b = -6
-a +b = 3
2a + b = -6 _
_________
- 3a= 9
a = -3
- a+ b = 3
-(-3) + b = 3
3+ b = 3
b = 3 - 3
= 0
f(x) = ax + b
= -3x + 0
= -3x