Question

If f(n) = n 2 - n, then f(-4) is _____.


-20
20
12
-12

Answer 1

A,B,C,D PLEASE HELP MEEE

Answer 2

f(-4)=(-4)^2-(-4)
f(-4)=16+4=20
if n^2 is in question @samtab

Answer 3

replace n with -4 in f(n) = n 2 - n..

Answer 4

@samtab got it now..??

Answer 5

if it is n2
then
-4(2)-(-4)=-8+4=-4

Answer 6

KINDA IM STARTING TO just a little bit

Answer 7

@Kashan its -4 if n2

Answer 8

thanks for helping me :)

Answer 9

you'll get...