Welcome :: Homework Help and Answers :: Mathskey.com
Welcome to Mathskey.com Question & Answers Community. Ask any math/science homework question and receive answers from other members of the community.

13,459 questions

17,854 answers

1,446 comments

807,714 users

Show me your steps on this problem, and your final answer.

0 votes

Find f(-4) if f(x) = x^2 - x.

asked Dec 20, 2017 in ALGEBRA 1 by anonymous
reshown Dec 20, 2017 by bradely

1 Answer

0 votes
The function is f(x) = x^2 - x

Substitute x = -4 in above function.

f(-4) = (-4)^2 - (-4)

       = 16 + 4

       = 20

Hence, f(-4) = 20.
answered Dec 21, 2017 by homeworkhelp Mentor

Related questions

asked Sep 29, 2018 in ALGEBRA 1 by anonymous
...