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f(-1) = 5 - 3(-1) = 5 + 3 = 8
f(0) = 5 - 3(0) = 5 - 0 = 5
f(1) = 5 - 3(1) = 5 - 3 = 8
f(2) = 5 - 3(2) = 5 - 6 = -1
f(3) = 5 - 3(3) = 5 - 9 = -4
2. a. f(-3) = -3(-3) + 6 = 9 + 6 = 15
f(2) = -3(2) + 2 = -6 + 6 = 0
b. f(a) = -3a + 6 = -9
-3a = -9 - 6
a = -15 : -3
a = 5
f(x)=5-3x
f(-2)=5-3.-2
=5+6
=11
selanjutnya caranya seperti atas, hasilnya :
f(-1)=8
f(0)= 5
f(1)=2
f(2)=-1
f(3)=-4
himpunan pasangan berurutan:
{(-2,11),(-1,8),(0,5),(1,2),(2,-1),(3,-4)
no 2
A. f(x)=-3x + 2
f(-3)=-3.-3 + 2
f(-3) = 9+2
=11
yg bayangan 2 carnya seperti atas
B. f(-x)= -3x + 6
f(a) = -3a + 6
9= -3a + 6
9-6 = -3a
3= -3a
3/-3=a
-1 =a
#semoga membantu, klo boleh jadikan jwbn yg terbaik ya