Register

If f(x) = 2x^2 - x, find f(-3).

If f(x) = 2x^2 - x, find f(-3).
57.7k views
3 votes
If f(x) = 2x^2 - x, find f(-3).

User Technik
by
7.6k points

2 Answers

1 vote
f(x)=2x^2-x, x=-3

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

f(-3)=2(9)+3

f(-3)=18+3

f(-3)=21
User Cppiscute
by
8.3k points
3 votes
f(-3)  = 2(-3)^2 - (-3) =  2(9)+3 = 18 + 3 = 21
User Chriswoodford
by
8.6k points
← Prev Question Next Question →

No related questions found

Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

9.4m questions

12.2m answers

Other Questions

What is .725 as a fraction
How do you estimate of 4 5/8 X 1/3
A bathtub is being filled with water. After 3 minutes 4/5 of the tub is full. Assuming the rate is constant, how much longer will it take to fill the tub?
A dealer sells a certain type of chair and a table for $40. He also sells the same sort of table and a desk for $83 or a chair and a desk for $77. Find the price of a chair, table, and of a desk.
Mr. Jacob is 55 years old and tony is 7 years old. in how many years will mr. Jacobs be 4 times as old as Tony
Link Copied!