Question

A quadratic function Is given by the table. Anna and Marco are trying to locate the roots of the given function. Are their solution accurate? Explain in detail and find the exact value of the roots. Approximate the roots to the nearest tenth.
x -4 -2 0 2 4 6 8 10
f(x) 52 26 8 -2 -4 2 16 38
According to Anna:-
The roots are between 4 and 6 because f(x) stops decreasing and begins to increase between x = 4 and x=6
According to Marco:-
The roots are between -2 and 0 because x changes signs at that location

Answer 1

Answer:

Sorry I didn't know the answer