Question

Find the upper limit for the zeros of the function P(x)=4x^4+8x^3-7x^2-21x-9

a) -3
b) 2
c) 3

Answer 1

OPTION B - 2

Explanation:

What is the upper limit for the zeros of the function P(x) = 4x^4 + 8x^3 - 7x^2 - 21x - 9. Ans: 2 is an upper limit. Use synthetic division. and the remainder are all positive, 2 is an upper limit.