Answer:
B
if f(x-4) then we should put x-4 where the x is spouse to be so;
-2(x-4)-1 =
-2x + 8 - 1 =
-2x + 7
$16.68 is the most expensive item you can order with $20.00
Exact Form - 5/12
Decimal Form - 0.41666666...
I do not see the letter z in the equation, if there is no mistake the z would be 0