The answer is HJ , just got 100 on the quiz :)
I hope this helps you
x=3
f (3)=4.3^3-5
f (3)=4.27-5
f (3)=108-5
f (3)=103
okay so you multiply .15 by 120 which is 18. then you multiply .10 by 120 which is 12. so you do 120 subtracted by 12 and 18 which the answer is 90
