1.Diketahui f(x)=x pangkat 2-2 dengan daerah asal (x/-3 2.tentukan nilai x&y pada sistem persamaan linear {4x+3y=24 {8x-2y=16 3.jika f(x) =5x-3 dengan domain A

2) 4x + 3y = 24 |×2
8x - 2y = 16
maka
8x + 6y = 48
8x - 2y = 16
-------------------(-)
8y = 32
y = 4
subtitusi
4x + 3y = 24
4x + 3(4) = 24
4x + 12 = 24
4x = 24 - 12
4x = 12
x = 3
hp = ( 3,4 )

3) f(x) = 5x - 3
f(4) = 5(4) - 3 = 17
f(5) = 5(5) - 3 = 22
f(6) = 5(6) - 3 = 27
f(7) = 5(7) - 3 = 32
f(8) = 5(8) - 3 = 37
kodomain = ( 17,22,27,32,37)

4) f(x) = 4x - 5
f(4) = 4(4) - 5 = 11