Question

Find bounds on the real zeros of polynomial function.

f(x) = x^4 + x^3 - x - 1

Answer 1

do u know what the meaning of real zeros is?

Answer 2

not really

Answer 3

well they are the values that will make the equation equals zero

Answer 4

ok

Answer 5

for the upper bound i got 1 and lower bound i got -1. Is that right?

Answer 6

but the answer in the back of the book says its 2. Do you know how they could of came up with this answer?

Answer 7

well I would go with your answer

Answer 8

so its right? but then how did the book get 2?

Answer 9

maybe the book is incorrect i cant really see how they got that

Answer 10

i guess so. thanks for your help.

Answer 11

you are welcome