Question

if f(x)=lx-4l,which of the following has the least value?
a)f(8)
b)f(4)
c)f(0)
d)f(-4)
e)f(-8)

Answer 1

option e

Answer 2

@umar284

Answer 3

how?

Answer 4

You can plug the values and compare the answers:
For example:
f(x)=lx-4l
f(8) = |8-4| = |4| = 4
f(-8) = |-12 -4| = |-16| = 16
So, you can see that f(-8) is definitely NOT the answer!
Can you do it now?

Answer 5

im confused by the modulus

Answer 6

@RolyPoly

Answer 7

I'm sorry! I wasn't here!
Which part don't you understand??

Answer 8

oh!! sry its absolute value