44,758 views
8 votes
8 votes
Question 2 of 10
Find f(3) if f(x)=x^3+2x²-x-1

User Johnny Baloney
by
2.8k points

1 Answer

24 votes
24 votes

IN THE PLACE OF X PLUG IN 3 AND SIMPLIFY


f(3) = ({3})^(3) + 2( {3})^(2) - (3) - 1 \\ f(3) = 27 + 2(9) - 3 - 1 \\ f(3) = 27 + 18 - 4 \\ f(3) = 45 - 4 \\ f(3) = 41

ATTACHED IS THE SOLUTION.

User Paparazzo
by
2.7k points