Answer:
5k - 2
Step-by-step explanation:
To evaluate f(2 - k), substitute x = 2 - k into f(x), that is
f(2 - k) = 8 - 5(2 - k) = 8 - 10 + 5k = 5k - 2
-3
you start with the parentheses -16-9 turns into -16 + (-9)
and then you try to solve everything.
the baseball cards are used as currency in this example
if 8/8 = 120
3/8 = __
8/8 = 1 =100%
3/8=0.375= 37.5%
120*0.375 = 45