100 Points and brainliest to the correct answer, need it within 6 minutes. Thank you.

f (x) = 3x ^2 - 7x + 5
f (4) = 4f
f (-6) = -6f
f (5r) = 5fr
f (y - 2) = fy - 2f
I hoped I helped, I tried my best. Please mark as brainliest and tell me whether i am wrong or right!
Thank you!