Answer: this video will help!
https://www.google.com/search?client=firefox-b-1-d&q=How+to+tell+if+a+function+is+a+polynomial+function#kpvalbx=_rFyLXqeSBYb2tAWu_J_gDQ24
The answer is D. V< 1 23/25.
It’s 16.63 because 15.37-12 is 3.37 and 20-3.37 is 16.63
The factored form comes from breaking each term up x2 = x times x
-48 has numerous possibilities for two factors but the to factors that multiply and get -48 while adding to get +13 are +16 and -3 so the answer in factored form is (x + 16) (x -3)
I’m on the way home I can see if I could have a good time at your house and I’ll