66.5k views
15 votes
For the function -2x²+x+1 find f(3)

User Auro
by
5.4k points

2 Answers

11 votes

Answer:

f(3) = -14

Explanation:


f(x)=-2x^(2) +x+1\\f(3)=-2(3)^2+3+1\\f(3) = -2(9)+4\\f(3) = -18+4\\f(3) = -14

User PravinS
by
5.6k points
10 votes

Answer:

-14

Explanation:

Plug 3 in for x

-2 (3)² + 3 + 1

-2 (9) + 3 + 1

-18 + 3 + 1

-14

User Eggmatters
by
5.9k points