Question

Diket f(x)= -5x+3, tentkn domainnya jika R={-12, -17, -22, -27}

Answer 1

-5x+3 = -12
-5x = -15
x = 3

-5x+3=-17
-5x = -20
x = 4

-5x+3= -22
-5x = -25
x= 5

-5x+3 = -27
-5x = -30
x = 6

domain = {3, 4, 5, 6}