Help! I just need someone to check my answer, I'll fan and medal
Use synthetic division to determine whether the number k is an upper or lower bound (as specified) for the real zeros of the function f.

k = 4; f(x) = 2x3 - 2x2 - 3x - 5; Lower bound?

Question

Help! I just need someone to check my answer, I'll fan and medal
Use synthetic division to determine whether the number k is an upper or lower bound (as specified) for the real zeros of the function f.

k = 4; f(x) = 2x3 - 2x2 - 3x - 5; Lower bound?

hatahateo · Answer

Answers:
Yes MY ANSWER
No

hatahateo · Answer

@dumbcow @mayankdevnani @supersmart1001

supersmart1001 · Answer

If I get your question right, you do need to divide f(x) by (x-2). 
This goes as follows:

2  [ 5     4     -2     2      4 ]
           10    28    52  108
---------------------+
      5   14    26    54  112

supersmart1001 · Answer

5   14    26    54  112  <-- remainder

supersmart1001 · Answer

It seems like it's lower bound

hatahateo · Answer

So I am correct?

supersmart1001 · Answer

if u chose lower bound then yes