Question

Determine the consecutive integer values of x between which each real zero of each function is located by using the graph.

1. f(x) = x² + 3x-1
2. f(x)=-x^3+2x^2-4
3. f(x)= x^3+ 4x^2-5x+5
4. f(x)= -x^4 - x^3 +4​

Answer 1

It is 3 because it’s simple math