Hai sob udh lama gk aktif nih ! Gantinya yang jawab PRku dapat poin banyak dariku

[tex]2) f(x) = 5 - 3x \\ f(-2) = 5 - 3(-2) = 11 \\ f(-1) = 5 - 3(-1) = 8 \\ f(0) = 5 - 3(0) = 5 \\ f(1) = 5 - 3(1) = 2 \\ f(2) = 5 - 3(2) = - 1 \\ {(-2,-11),(-1,8),(0,5),(1,2),(2,-1)} \\ \\ 3) f(x) = 2x - 1 \\ f(-1) = 2(-1) - 1 = - 3 \\ f(0) = 2(0) - 1 = - 1 \\ f(1) = 2(1) - 1 = 1 \\ f(2) = 2(2) - 1 = 3 \\ Range = (-3, -1, 1, 3) \\ \\ 4) n(A) = 4 \\ n(B) = 5 \\ Pemetaan A ke B = B^{A} = 625 \\ Pemetaan B ke A = A^{B} = 1024[/tex]

f(x) = 5-3x
f(-2) = 5-3(-2) =11
f(-1) = 5-3(-1) = 8
f(0) = 5-3(0) =5
f(1) = 5-3(1) =2
f(2)= 5-3(2) = -1
( -2, 11 ) ( -1, 8 )( 0,5 )( 1, 2 )( 2, -1)