Answer:

Step-by-step explanation:
Here,
f(x) = y

or , swapping x with y

now to solve for y we get

now we put f inverse x instead of y

I am done.
Answer = p=12-4 -12=17=18+19
p-q
p=12
Answer:
207,460
Step-by-step explanation:
brainiest plz
EIGHTEEN SONGS AT A DOLLAR EACH. SEVEN VIDEOS AT SIX BUCKS EACH IS FORTY-TWO DOLLARS. together they equal $60