Question

find the value of the polynomial 2x-x^{2}+1 at x=-1

Answer 1

Answer:

f(x) = 2x3 + 2x, x =–1 f(–1) = 2(–1)3 + 2(–1) = – 2 – 2 =- 4Read more on Sarthaks.com - https://www.sarthaks.com/342151/find-the-value-of-the-polynomial-2x-3-2x-when-x-1