The answer would be f(x)=9 because when you substitue the 3 in for 'x' you then square the 3.
Hope this helps!
So the equation would be 4\100 of 1800 every year = (4/100x1800)x8 years = 72x8 years = $576. Best of luck!
Answer:
http://eldata2.neu.topica.vn/TXTOKT02/Giao%20trinh/03_NEU_TXTOKT02_Bai2_v1.0014109205.pdf
Step-by-step explanation: