Why bracket and open methods such as Bisection, False-point and Newton method, Secant can't find root in positive x-axis?

Which system of linear inequalities is represented by the graph? !

An energy drink company claims that its product increases students' memory levels. to support its claims, the company issues advertisements claiming that 8 out of 10 people (chosen randomly from across the country) who tried their product reported improved memory. the missing component in this study is a .

Suppose g(x) = f(x + 3) + 4. which statement best compares the graph of g(x) with the graph of f(x)?