Question 170744
F(5)=Y^3-2Y^2+3Y-4 
F(5)=5^3-2*5^2+3*5-4 [HERE YOU MUST FIRST RAISE TO THE POWER (5^2) THEN MULTIPLY
F(5)=125-2*25+15-4
F(5)=125-50+15-4
F(5)=86 ANS.