Register
If f(x)=2x^2-1, then f(-3)=
96.3k views
4 votes
If f(x)=2x^2-1, then f(-3)=

User Bun Suwanparsert
by
4.0k points

1 Answer

1 vote

Answer:

f(-3) =17

Explanation:

f(x)=2x^2-1

Let x = -3

f(-3)=2(-3)^2-1

= 2(9) -1

= 18-1

17

User Pandelis
by
3.7k points
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

4.3m questions

5.6m answers

Other Questions

Before beginning voice lessons, Aubrey already knew how to sing 357 pieces, and she expects to learn 2 new pieces during each week of lessons. After 78 weeks of voice lessons, how many pieces will Aubrey
Solve for x in the equation 3 x squared minus 18 x + 5 = 47. (I need this to be an answer like X=3+\_ square root 23)
Please answer asap.......... ...
What value of x makes the following true? 2(x + 10) = 4( 2x - 1)
1 divided by 1/5????????
Link Copied!